Mass content adding/Geographic data/Using NGA data/Localization/Designation codes/English

Feature Designation Code Feature Designation Name Feature Designation Text Feature Class
ADM1 first-order administrative division a primary administrative division of a country, such as a state in the United States A - Administrative Region
ADM2 second-order administrative division a subdivision of a first-order administrative division A - Administrative Region
ADM3 third-order administrative division a subdivision of a second-order administrative division A - Administrative Region
ADM4 fourth-order administrative division a subdivision of a third-order administrative division A - Administrative Region
ADMD administrative division an administrative division of a country, undifferentiated as to administrative level A - Administrative Region
ADMF administrative facility a government building S - Spot Feature
AGRC agricultural colony a tract of land set aside for agricultural settlement L - Area
AGRF AGRICULTURAL FACILITY a building and/or tract of land used for improving agriculture S - Spot Feature
AIRB airbase an area used to store supplies, provide barracks for air force personnel, hangars and runways for aircraft, and from which operations are initiated S - Spot Feature
AIRF airfield a place on land where aircraft land and take off; no facilities provided for the commercial handling of passengers and cargo S - Spot Feature
AIRH heliport a place where helicopters land and take off S - Spot Feature
AIRP airport a place where aircraft regularly land and take off, with runways, navigational aids, and major facilities for the commercial handling of passengers and cargo S - Spot Feature
AIRQ abandoned airfield   S - Spot Feature
AIRS seaplane landing area a place on a waterbody where floatplanes land and take off H - Hydrographic
AMTH amphitheater an oval or circular structure with rising tiers of seats about a stage or open space S - Spot Feature
ANCH anchorage an area where vessels may anchor H - Hydrographic
ANS ancient site a place where archeological remains, old structures, or cultural artifacts are located S - Spot Feature
APNU apron a gentle slope, with a generally smooth surface, particularly found around groups of islands and seamounts U - Undersea
ARCH arch a natural or man-made structure in the form of an arch S - Spot Feature
ARCU arch a low bulge around the southeastern end of the island of Hawaii U - Undersea
AREA area a tract of land without homogeneous character or boundaries L - Area
ARRU arrugado an area of subdued corrugations off Baja California U - Undersea
ASPH asphalt lake a small basin containing naturally occurring asphalt T - Hypsographic
ASTR astronomical station a point on the earth whose position has been determined by observations of celestial bodies S - Spot Feature
ASYL asylum a facility where the insane are cared for and protected S - Spot Feature
ATHF athletic field a tract of land used for playing team sports, and athletic track and field events S - Spot Feature
ATOL atoll(s) a ring-shaped coral reef which has closely spaced islands on it encircling a lagoon T - Hypsographic
BAR bar a shallow ridge or mound of coarse unconsolidated material in a stream channel, at the mouth of a stream, estuary, or lagoon and in the wave-break zone along coasts T - Hypsographic
BAY bay a coastal indentation between two capes or headlands, larger than a cove but smaller than a gulf H - Hydrographic
BAYS bays coastal indentations between two capes or headlands, larger than a cove but smaller than a gulf H - Hydrographic
BCH beach a shore zone of coarse unconsolidated sediment that extends from the low-water line to the highest reach of storm waves T - Hypsographic
BCHS beaches a shore zone of coarse unconsolidated sediment that extends from the low-water line to the highest reach of storm waves T - Hypsographic
BCN beacon a fixed artificial navigation mark S - Spot Feature
BDG bridge a structure erected across an obstacle such as a stream, road, etc., in order to carry roads, railroads, and pedestrians across S - Spot Feature
BDGQ ruined bridge a destroyed or decayed bridge which is no longer functional S - Spot Feature
BDLD badlands an area characterized by a maze of very closely spaced, deep, narrow, steep-sided ravines, and sharp crests and pinnacles T - Hypsographic
BDLU borderland a region adjacent to a continent, normally occupied by or bordering a shelf, that is highly irregular with depths well in excess of those typical of a shelf U - Undersea
BGHT bight(s) an open body of water forming a slight recession in a coastline H - Hydrographic
BKSU banks elevations, typically located on a shelf, over which the depth of water is relatively shallow but sufficient for safe surface navigation U - Undersea
BLDG building(s) a structure built for permanent use, as a house, factory, etc. S - Spot Feature
BLDR boulder field a high altitude or high latitude bare, flat area covered with large angular rocks T - Hypsographic
BLHL blowhole(s) a hole in coastal rock through which sea water is forced by a rising tide or waves and spurted through an outlet into the air T - Hypsographic
BLOW blowout(s) a small depression in sandy terrain, caused by wind erosion T - Hypsographic
BNCH bench a long, narrow bedrock platform bounded by steeper slopes above and below, usually overlooking a waterbody T - Hypsographic
BNCU bench a small terrace U - Undersea
BNK bank(s) an elevation, typically located on a shelf, over which the depth of water is relatively shallow but sufficient for most surface navigation H - Hydrographic
BNKR stream bank a sloping margin of a stream channel which normally confines the stream to its channel on land H - Hydrographic
BNKU bank an elevation, typically located on a shelf, over which the depth of water is relatively shallow but sufficient for safe surface navigation U - Undersea
BNKX section of bank   H - Hydrographic
BOG bog(s) a wetland characterized by peat forming sphagnum moss, sedge, and other acid-water plants H - Hydrographic
BP boundary marker a fixture marking a point along a boundary S - Spot Feature
BRKS barracks a building for lodging military personnel S - Spot Feature
BRKW breakwater a structure erected to break the force of waves at the entrance to a harbor or port S - Spot Feature
BSND drainage basin an area drained by a stream L - Area
BSNP petroleum basin an area underlain by an oil-rich structural basin L - Area
BSNU basin a depression more or less equidimensional in plan and of variable extent U - Undersea
BSTN baling station a facility for baling agricultural products S - Spot Feature
BTL battlefield a site of a land battle of historical importance L - Area
BTYD boatyard a waterside facility for servicing, repairing, and building small vessels S - Spot Feature
BUR burial cave(s) a cave used for human burials S - Spot Feature
BUSH bush(es) a small clump of conspicuous bushes in an otherwise bare area V - Vegetation
BUTE butte(s) a small, isolated, usually flat-topped hill with steep sides T - Hypsographic
CAPE cape a land area, more prominent than a point, projecting into the sea and marking a notable change in coastal direction T - Hypsographic
CAPG icecap a dome-shaped mass of glacial ice covering an area of mountain summits or other high lands; smaller than an ice sheet H - Hydrographic
CARN cairn a heap of stones erected as a landmark or for other purposes S - Spot Feature
CAVE cave(s) an underground passageway or chamber, or cavity on the side of a cliff S - Spot Feature
CDAU cordillera an entire mountain system including the subordinate ranges, interior plateaus, and basins U - Undersea
CFT cleft(s) a deep narrow slot, notch, or groove in a coastal cliff T - Hypsographic
CH church a building for public Christian worship S - Spot Feature
CHN channel the deepest part of a stream, bay, lagoon, or strait, through which the main current flows H - Hydrographic
CHNL lake channel(s) that part of a lake having water deep enough for navigation between islands, shoals, etc. H - Hydrographic
CHNM marine channel that part of a body of water deep enough for navigation through an area otherwise not suitable H - Hydrographic
CHNN navigation channel a buoyed channel of sufficient depth for the safe navigation of vessels H - Hydrographic
CLDA caldera a depression measuring kilometers across formed by the collapse of a volcanic mountain T - Hypsographic
CLF cliff(s) a high, steep to perpendicular slope overlooking a waterbody or lower area T - Hypsographic
CLG clearing an area in a forest with trees removed L - Area
CMN common a park or pasture for community use L - Area
CMP camp(s) a site occupied by tents, huts, or other shelters for temporary use S - Spot Feature
CMPL logging camp a camp used by loggers S - Spot Feature
CMPLA labor camp a camp used by migrant or temporary laborers S - Spot Feature
CMPMN mining camp a camp used by miners S - Spot Feature
CMPO oil camp a camp used by oilfield workers S - Spot Feature
CMPQ abandoned camp   S - Spot Feature
CMPRF refugee camp a camp used by refugees S - Spot Feature
CMTY cemetery a burial place or ground S - Spot Feature
CNFL confluence a place where two or more streams or intermittent streams flow together H - Hydrographic
CNL canal an artificial watercourse H - Hydrographic
CNLA aqueduct a conduit used to carry water H - Hydrographic
CNLB canal bend a conspicuously curved or bent section of a canal H - Hydrographic
CNLD drainage canal an artificial waterway carrying water away from a wetland or from drainage ditches H - Hydrographic
CNLI irrigation canal a canal which serves as a main conduit for irrigation water H - Hydrographic
CNLN navigation canal(s) a watercourse constructed for navigation of vessels H - Hydrographic
CNLQ abandoned canal   H - Hydrographic
CNLSB underground irrigation canal(s) a gently inclined underground tunnel bringing water for irrigation from aquifers H - Hydrographic
CNLX section of canal   H - Hydrographic
CNS concession area a lease of land by a government for economic development, e.g., mining, forestry L - Area
CNSU canyons relatively narrow, deep depressions with steep sides, the bottom of which generally has a continuous slope U - Undersea
CNYN canyon a deep, narrow valley with steep sides cutting into a plateau or mountainous area T - Hypsographic
CNYU canyon a relatively narrow, deep depression with steep sides, the bottom of which generally has a continuous slope U - Undersea
COLF coalfield a region in which coal deposits of possible economic value occur L - Area
COMC communication center a facility, including buildings, antennae, towers and electronic equipment for receiving and transmitting information S - Spot Feature
CONE cone(s) a conical landform composed of mud or volcanic material T - Hypsographic
COVE cove(s) a small coastal indentation, smaller than a bay H - Hydrographic
CRDR corridor a strip or area of land having significance as an access way T - Hypsographic
CRKT tidal creek(s) a meandering channel in a coastal wetland subject to bi-directional tidal currents H - Hydrographic
CRNT current a horizontal flow of water in a given direction with uniform velocity H - Hydrographic
CRQ cirque a bowl-like hollow partially surrounded by cliffs or steep slopes at the head of a glaciated valley T - Hypsographic
CRQS cirques bowl-like hollows partially surrounded by cliffs or steep slopes at the head of a glaciated valley T - Hypsographic
CRRL corral(s) a pen or enclosure for confining or capturing animals S - Spot Feature
CRSU continental rise a gentle slope rising from oceanic depths towards the foot of a continental slope U - Undersea
CRTR crater(s) a generally circular saucer or bowl-shaped depression caused by volcanic or meteorite explosive action T - Hypsographic
CSNO casino a building used for entertainment, especially gambling S - Spot Feature
CST coast a zone of variable width straddling the shoreline L - Area
CSTL castle a large fortified building or set of buildings S - Spot Feature
CSTM customs house a building in a port where customs and duties are paid, and where vessels are entered and cleared S - Spot Feature
CSWY causeway a raised roadway across wet ground or shallow water R - Streets/Highways/Roads
CSWYQ former causeway a causeway no longer used for transportation R - Streets/Highways/Roads
CTHSE courthouse a building in which courts of law are held S - Spot Feature
CTRA atomic center a facility where atomic research is carried out S - Spot Feature
CTRB business center a place where a number of businesses are located L - Area
CTRCM community center a facility for community recreation and other activities S - Spot Feature
CTRF facility center a place where more than one facility is situated S - Spot Feature
CTRM medical center a complex of health care buildings including two or more of the following: hospital, medical school, clinic, pharmacy, doctor's offices, etc. S - Spot Feature
CTRR religious center a facility where more than one religious activity is carried out, e.g., retreat, school, monastery, worship S - Spot Feature
CTRS space center a facility for launching, tracking, or controlling satellites and space vehicles S - Spot Feature
CUET cuesta(s) an asymmetric ridge formed on tilted strata T - Hypsographic
CULT cultivated area an area under cultivation V - Vegetation
CUTF cutoff a channel formed as a result of a stream cutting through a meander neck H - Hydrographic
CVNT convent a building where a community of nuns lives in seclusion S - Spot Feature
DAM dam a barrier constructed across a stream to impound water S - Spot Feature
DAMQ ruined dam a destroyed or decayed dam which is no longer functional S - Spot Feature
DAMSB sub-surface dam a dam put down to bedrock in a sand river S - Spot Feature
DARY dairy a facility for the processing, sale and distribution of milk or milk products S - Spot Feature
DCK dock(s) a waterway between two piers, or cut into the land for the berthing of ships H - Hydrographic
DCKB docking basin a part of a harbor where ships dock H - Hydrographic
DCKD dry dock a dock providing support for a vessel, and means for removing the water so that the bottom of the vessel can be exposed S - Spot Feature
DCKY dockyard a facility for servicing, building, or repairing ships S - Spot Feature
DEPU deep a localized deep area within the confines of a larger feature, such as a trough, basin or trench U - Undersea
DEVH housing development a tract of land on which many houses of similar design are built according to a development plan L - Area
DIKE dike an earth or stone embankment usually constructed for flood or stream control S - Spot Feature
DLTA delta a flat plain formed by alluvial deposits at the mouth of a stream T - Hypsographic
DOMG icecap dome a comparatively elevated area on an icecap H - Hydrographic
DPOF fuel depot an area where fuel is stored S - Spot Feature
DPR depression(s) a low area surrounded by higher land and usually characterized by interior drainage T - Hypsographic
DPRG icecap depression a comparatively depressed area on an icecap H - Hydrographic
DSRT desert a large area with little or no vegetation due to extreme environmental conditions T - Hypsographic
DTCH ditch a small artificial watercourse dug for draining or irrigating the land H - Hydrographic
DTCHD drainage ditch a ditch which serves to drain the land H - Hydrographic
DTCHI irrigation ditch a ditch which serves to distribute irrigation water H - Hydrographic
DTCHM ditch mouth(s) an area where a drainage ditch enters a lagoon, lake or bay H - Hydrographic
DUNE dune(s) a wave form, ridge or star shape feature composed of sand T - Hypsographic
DVD divide a line separating adjacent drainage basins T - Hypsographic
EDGU shelf edge a line along which there is a marked increase of slope at the outer margin of a continental shelf or island shelf U - Undersea
ERG sandy desert an extensive tract of shifting sand and sand dunes T - Hypsographic
ESCU escarpment (or scarp) an elongated and comparatively steep slope separating flat or gently sloping areas U - Undersea
EST estate(s) a large commercialized agricultural landholding with associated buildings and other facilities S - Spot Feature
ESTB banana plantation an estate that specializes in the growing of bananas S - Spot Feature
ESTC cotton plantation an estate specializing in the cultivation of cotton S - Spot Feature
ESTO oil palm plantation an estate specializing in the cultivation of oil palm trees S - Spot Feature
ESTR rubber plantation an estate which specializes in growing and tapping rubber trees S - Spot Feature
ESTSG sugar plantation an estate that specializes in growing sugar cane S - Spot Feature
ESTSL sisal plantation an estate that specializes in growing sisal S - Spot Feature
ESTT tea plantation an estate which specializes in growing tea bushes S - Spot Feature
ESTX section of estate   S - Spot Feature
ESTY estuary a funnel-shaped stream mouth or embayment where fresh water mixes with sea water under tidal influences H - Hydrographic
FAN fan(s) a fan-shaped wedge of coarse alluvium with apex merging with a mountain stream bed and the fan spreading out at a low angle slope onto an adjacent plain T - Hypsographic
FANU fan a relatively smooth feature normally sloping away from the lower termination of a canyon or canyon system U - Undersea
FCL facility a building or buildings housing a center, institute, foundation, hospital, prison, mission, courthouse, etc. S - Spot Feature
FISH fishing area a fishing ground, bank or area where fishermen go to catch fish H - Hydrographic
FJD fjord a long, narrow, steep-walled, deep-water arm of the sea at high latitudes, usually along mountainous coasts H - Hydrographic
FJDS fjords long, narrow, steep-walled, deep-water arms of the sea at high latitudes, usually along mountainous coasts H - Hydrographic
FLD field(s) an open as opposed to wooded area L - Area
FLDI irrigated field(s) a tract of level or terraced land which is irrigated L - Area
FLLS waterfall(s) a perpendicular or very steep descent of the water of a stream H - Hydrographic
FLLSX section of waterfall(s)   H - Hydrographic
FLTM mud flat(s) a relatively level area of mud either between high and low tide lines, or subject to flooding H - Hydrographic
FLTT tidal flat(s) a large flat area of mud or sand attached to the shore and alternately covered and uncovered by the tide H - Hydrographic
FLTU flat a small level or nearly level area U - Undersea
FNDY foundry a building or works where metal casting is carried out S - Spot Feature
FORD ford a shallow part of a stream which can be crossed on foot or by land vehicle T - Hypsographic
FRKU fork a branch of a canyon or valley U - Undersea
FRM farm a tract of land with associated buildings devoted to agriculture S - Spot Feature
FRMQ abandoned farm   S - Spot Feature
FRMS farms tracts of land with associated buildings devoted to agriculture S - Spot Feature
FRMT farmstead the buildings and adjacent service areas of a farm S - Spot Feature
FRST forest(s) an area dominated by tree vegetation V - Vegetation
FRSTF fossilized forest a forest fossilized by geologic processes and now exposed at the earth's surface V - Vegetation
FRSU forks a branch of a canyon or valley U - Undersea
FRZU fracture zone an extensive linear zone of irregular topography of the sea floor, characterized by steep-sided or asymmetrical ridges, troughs, or escarpments U - Undersea
FSR fissure a crack associated with volcanism T - Hypsographic
FT fort a defensive structure or earthworks S - Spot Feature
FURU furrow a closed, linear, narrow, shallow depression U - Undersea
FY ferry a boat or other floating conveyance and terminal facilities regularly used to transport people and vehicles across a waterbody S - Spot Feature
GAP gap a low place in a ridge, not used for transportation T - Hypsographic
GAPU gap a narrow break in a ridge or rise U - Undersea
GASF gasfield an area containing a subterranean store of natural gas of economic value L - Area
GATE gate a controlled access entrance or exit S - Spot Feature
GDN garden(s) an enclosure for displaying selected plant or animal life S - Spot Feature
GHSE guest house a house used to provide lodging for paying guests S - Spot Feature
GLCR glacier(s) a mass of ice, usually at high latitudes or high elevations, with sufficient thickness to flow away from the source area in lobes, tongues, or masses H - Hydrographic
GLYU gully a small valley-like feature U - Undersea
GOSP gas-oil separator plant a facility for separating gas from oil S - Spot Feature
GRAZ grazing area an area of grasses and shrubs used for grazing L - Area
GRGE gorge(s) a short, narrow, steep-sided section of a stream valley T - Hypsographic
GRSLD grassland an area dominated by grass vegetation V - Vegetation
GRVC coconut grove a planting of coconut trees V - Vegetation
GRVE grave a burial site S - Spot Feature
GRVO olive grove a planting of olive trees V - Vegetation
GRVP palm grove a planting of palm trees V - Vegetation
GRVPN pine grove a planting of pine trees V - Vegetation
GULF gulf a large recess in the coastline, larger than a bay H - Hydrographic
GVL gravel area an area covered with gravel L - Area
GYSR geyser a type of hot spring with intermittent eruptions of jets of hot water and steam H - Hydrographic
HBR harbor(s) a haven or space of deep water so sheltered by the adjacent land as to afford a safe anchorage for ships H - Hydrographic
HBRX section of harbor   H - Hydrographic
HDLD headland a high projection of land extending into a large body of water beyond the line of the coast T - Hypsographic
HERM hermitage a secluded residence, usually for religious sects S - Spot Feature
HLL hill a rounded elevation of limited extent rising above the surrounding land with local relief of less than 300m T - Hypsographic
HLLS hills rounded elevations of limited extent rising above the surrounding land with local relief of less than 300m T - Hypsographic
HLLU hill an elevation rising generally less than 500 meters U - Undersea
HLSU hills elevations rising generally less than 500 meters U - Undersea
HLT halting place a place where caravans stop for rest S - Spot Feature
HMCK hammock(s) a patch of ground, distinct from and slightly above the surrounding plain or wetland. Often occurs in groups T - Hypsographic
HMDA rock desert a relatively sand-free, high bedrock plateau in a hot desert, with or without a gravel veneer T - Hypsographic
HOLU hole a small depression of the sea floor U - Undersea
HSE house(s) a building used as a human habitation S - Spot Feature
HSEC country house a large house, mansion, or chateau, on a large estate S - Spot Feature
HSP hospital a building in which sick or injured, especially those confined to bed, are medically treated S - Spot Feature
HSPC clinic a medical facility associated with a hospital for outpatients S - Spot Feature
HSPD dispensary a building where medical or dental aid is dispensed S - Spot Feature
HSPL leprosarium an asylum or hospital for lepers S - Spot Feature
HSTS historical site a place of historical importance S - Spot Feature
HTH heath an upland moor or sandy area dominated by low shrubby vegetation including heather V - Vegetation
HTL hotel a building providing lodging and/or meals for the public S - Spot Feature
HUT hut a small primitive house S - Spot Feature
HUTS huts small primitive houses S - Spot Feature
INDS industrial area an area characterized by industrial activity L - Area
INLT inlet a narrow waterway extending into the land, or connecting a bay or lagoon with a larger body of water H - Hydrographic
INLTQ former inlet an inlet which has been filled in, or blocked by deposits H - Hydrographic
INSM military installation a facility for use of and control by armed forces S - Spot Feature
INTF interfluve a relatively undissected upland between adjacent stream valleys T - Hypsographic
ISL island a tract of land, smaller than a continent, surrounded by water at high water T - Hypsographic
ISLF artificial island an island created by landfill or diking and filling in a wetland, bay, or lagoon T - Hypsographic
ISLM mangrove island a mangrove swamp surrounded by a waterbody T - Hypsographic
ISLS islands tracts of land, smaller than a continent, surrounded by water at high water T - Hypsographic
ISLT land-tied island a coastal island connected to the mainland by barrier beaches, levees or dikes T - Hypsographic
ISLX section of island   T - Hypsographic
ISTH isthmus a narrow strip of land connecting two larger land masses and bordered by water T - Hypsographic
ITTR research institute a facility where research is carried out S - Spot Feature
JTY jetty a structure built out into the water at a river mouth or harbor entrance to regulate currents and silting S - Spot Feature
KNLU knoll an elevation rising generally more than 500 meters and less than 1,000 meters and of limited extent across the summit U - Undersea
KNSU knolls elevations rising generally more than 500 meters and less than 1,000 meters and of limited extent across the summits U - Undersea
KRST karst area a distinctive landscape developed on soluble rock such as limestone characterized by sinkholes, caves, disappearing streams, and underground drainage T - Hypsographic
LAND Arctic land a tract of land in the Arctic L - Area
LAVA lava area an area of solidified lava T - Hypsographic
LBED lake bed(s) a dried up or drained area of a former lake H - Hydrographic
LCTY locality a minor area or place of unspecified or mixed character and indefinite boundaries L - Area
LDGU ledge a rocky projection or outcrop, commonly linear and near shore U - Undersea
LDNG landing a place where boats receive or discharge passengers and freight, but lacking most port facilities S - Spot Feature
LEPC leper colony a settled area inhabited by lepers in relative isolation S - Spot Feature
LEV levee a natural low embankment bordering a distributary or meandering stream; often built up artificially to control floods T - Hypsographic
LEVU levee an embankment bordering a canyon, valley, or seachannel U - Undersea
LGN lagoon a shallow coastal waterbody, completely or partly separated from a larger body of water by a barrier island, coral reef or other depositional feature H - Hydrographic
LGNS lagoons shallow coastal waterbodies, completely or partly separated from a larger body of water by a barrier island, coral reef or other depositional feature H - Hydrographic
LGNX section of lagoon   H - Hydrographic
LK lake a large inland body of standing water H - Hydrographic
LKC crater lake a lake in a crater or caldera H - Hydrographic
LKI intermittent lake   H - Hydrographic
LKN salt lake an inland body of salt water with no outlet H - Hydrographic
LKNI intermittent salt lake   H - Hydrographic
LKO oxbow lake a crescent-shaped lake commonly found adjacent to meandering streams H - Hydrographic
LKOI intermittent oxbow lake   H - Hydrographic
LKS lakes large inland bodies of standing water H - Hydrographic
LKSB underground lake a standing body of water in a cave H - Hydrographic
LKSC crater lakes lakes in a crater or caldera H - Hydrographic
LKSI intermittent lakes   H - Hydrographic
LKSN salt lakes inland bodies of salt water with no outlet H - Hydrographic
LKSNI intermittent salt lakes   H - Hydrographic
LKX section of lake   H - Hydrographic
LOCK lock(s) a basin in a waterway with gates at each end by means of which vessels are passed from one water level to another S - Spot Feature
LTER leased area a tract of land leased by the United Kingdom from the People's Republic of China to form part of Hong Kong A - Administrative Region
LTHSE lighthouse a distinctive structure exhibiting a major navigation light S - Spot Feature
MAR marina a harbor facility for small boats, yachts, etc. S - Spot Feature
MDVU median valley the axial depression of the mid-oceanic ridge system U - Undersea
MDW meadow a small, poorly drained area dominated by grassy vegetation V - Vegetation
MESA mesa(s) a flat-topped, isolated elevation with steep slopes on all sides, less extensive than a plateau T - Hypsographic
MESU mesa an isolated, extensive, flat-topped elevation on the shelf, with relatively steep sides U - Undersea
MFG factory one or more buildings where goods are manufactured, processed or fabricated S - Spot Feature
MFGB brewery one or more buildings where beer is brewed S - Spot Feature
MFGC cannery a building where food items are canned S - Spot Feature
MFGCU copper works a facility for processing copper ore S - Spot Feature
MFGLM limekiln a furnace in which limestone is reduced to lime S - Spot Feature
MFGM munitions plant a factory where ammunition is made S - Spot Feature
MFGN salt evaporation ponds diked salt ponds used in the production of solar evaporated salt H - Hydrographic
MFGPH phosphate works a facility for producing fertilizer S - Spot Feature
MFGQ abandoned factory   S - Spot Feature
MFGSG sugar refinery a facility for converting raw sugar into refined sugar S - Spot Feature
MGV mangrove swamp a tropical tidal mud flat characterized by mangrove vegetation H - Hydrographic
MILB military base a place used by an army or other armed service for storing arms and supplies, and for accommodating and training troops, a base from which operations can be initiated L - Area
MKT market a place where goods are bought and sold at regular intervals S - Spot Feature
ML mill(s) a building housing machines for transforming, shaping, finishing, grinding, or extracting products S - Spot Feature
MLM ore treatment plant a facility for improving the metal content of ore by concentration S - Spot Feature
MLO olive oil mill a mill where oil is extracted from olives S - Spot Feature
MLSG sugar mill a facility where sugar cane is processed into raw sugar S - Spot Feature
MLSGQ former sugar mill a sugar mill no longer used as a sugar mill S - Spot Feature
MLSW sawmill a mill where logs or lumber are sawn to specified shapes and sizes S - Spot Feature
MLWND windmill a mill or water pump powered by wind S - Spot Feature
MLWTR water mill a mill powered by running water S - Spot Feature
MN mine(s) a site where mineral ores are extracted from the ground by excavating surface pits and subterranean passages S - Spot Feature
MNA mining area an area of mine sites where minerals and ores are extracted L - Area
MNAU gold mine(s) a mine where gold ore, or alluvial gold is extracted S - Spot Feature
MNC coal mine(s) a mine where coal is extracted S - Spot Feature
MNCR chrome mine(s) a mine where chrome ore is extracted S - Spot Feature
MNCU copper mine(s) a mine where copper ore is extracted S - Spot Feature
MND mound(s) a low, isolated, rounded hill T - Hypsographic
MNDT diatomite mine(s) a place where diatomaceous earth is extracted S - Spot Feature
MNDU mound a low, isolated, rounded hill U - Undersea
MNFE iron mine(s) a mine where iron ore is extracted S - Spot Feature
MNMT monument a commemorative structure or statue S - Spot Feature
MNN salt mine(s) a mine from which salt is extracted S - Spot Feature
MNNI nickel mine(s) a mine where nickel ore is extracted S - Spot Feature
MNPB lead mine(s) a mine where lead ore is extracted S - Spot Feature
MNPL placer mine(s) a place where heavy metals are concentrated and running water is used to extract them from unconsolidated sediments S - Spot Feature
MNQ abandoned mine   S - Spot Feature
MNQR quarry(-ies) a surface mine where building stone or gravel and sand, etc. are extracted S - Spot Feature
MNSN tin mine(s) a mine where tin ore is extracted S - Spot Feature
MOLE mole a massive structure of masonry or large stones serving as a pier or breakwater S - Spot Feature
MOOR moor(s) an area of open ground overlaid with wet peaty soils H - Hydrographic
MOTU moat an annular depression that may not be continuous, located at the base of many seamounts, islands, and other isolated elevations U - Undersea
MRN moraine a mound, ridge, or other accumulation of glacial till T - Hypsographic
MRSH marsh(es) a wetland dominated by grass-like vegetation H - Hydrographic
MRSHN salt marsh a flat area, subject to periodic salt water inundation, dominated by grassy salt-tolerant plants H - Hydrographic
MSQE mosque a building for public Islamic worship S - Spot Feature
MSSN mission a place characterized by dwellings, school, church, hospital and other facilities operated by a religious group for the purpose of providing charitable services and to propagate religion S - Spot Feature
MSSNQ abandoned mission   S - Spot Feature
MSTY monastery a building and grounds where a community of monks lives in seclusion S - Spot Feature
MT mountain an elevation standing high above the surrounding area with small summit area, steep slopes and local relief of 300m or more T - Hypsographic
MTS mountains a mountain range or a group of mountains or high ridges T - Hypsographic
MTSU mountains well-delineated subdivisions of a large and complex positive feature U - Undersea
MTU mountain a well-delineated subdivision of a large and complex positive feature U - Undersea
MUS museum a building where objects of permanent interest in one or more of the arts and sciences are preserved and exhibited S - Spot Feature
MVA maneuver area a tract of land where military field exercises are carried out L - Area
NKM meander neck a narrow strip of land between the two limbs of a meander loop at its narrowest point T - Hypsographic
NOV novitiate a religious house or school where novices are trained S - Spot Feature
NRWS narrows a navigable narrow part of a bay, strait, river, etc. H - Hydrographic
NSY nursery(-ies) a place where plants are propagated for transplanting or grafting S - Spot Feature
NTK nunatak a rock or mountain peak protruding through glacial ice T - Hypsographic
NTKS nunataks rocks or mountain peaks protruding through glacial ice T - Hypsographic
NVB naval base an area used to store supplies, provide barracks for troops and naval personnel, a port for naval vessels, and from which operations are initiated L - Area
OAS oasis(-es) an area in a desert made productive by the availability of water L - Area
OBPT observation point a wildlife or scenic observation point S - Spot Feature
OBS observatory a facility equipped for observation of atmospheric or space phenomena S - Spot Feature
OBSR radio observatory a facility equipped with an array of antennae for receiving radio waves from space S - Spot Feature
OCH orchard(s) a planting of fruit or nut trees V - Vegetation
OCN ocean one of the major divisions of the vast expanse of salt water covering part of the earth H - Hydrographic
OILF oilfield an area containing a subterranean store of petroleum of economic value L - Area
OILJ oil pipeline junction a section of an oil pipeline where two or more pipes join together S - Spot Feature
OILP oil pipeline a pipeline used for transporting oil R - Streets/Highways/Roads
OILQ abandoned oil well   S - Spot Feature
OILR oil refinery a facility for converting crude oil into refined petroleum products S - Spot Feature
OILT tank farm a tract of land occupied by large, cylindrical, metal tanks in which oil or liquid petrochemicals are stored S - Spot Feature
OILW oil well a well from which oil may be pumped S - Spot Feature
OVF overfalls an area of breaking waves caused by the meeting of currents or by waves moving against the current H - Hydrographic
PAL palace a large stately house, often a royal or presidential residence S - Spot Feature
PAN pan a near-level shallow, natural depression or basin, usually containing an intermittent lake, pond, or pool T - Hypsographic
PANS pans a near-level shallow, natural depression or basin, usually containing an intermittent lake, pond, or pool T - Hypsographic
PASS pass a break in a mountain range or other high obstruction, used for transportation from one side to the other [See also gap] T - Hypsographic
PCL political entity   A - Administrative Region
PCLD dependent political entity   A - Administrative Region
PCLF freely associated state   A - Administrative Region
PCLI independent political entity   A - Administrative Region
PCLIX section of independent political entity   A - Administrative Region
PCLS semi-independent political entity   A - Administrative Region
PEAT peat cutting area an area where peat is harvested L - Area
PEN peninsula an elongate area of land projecting into a body of water and nearly surrounded by water T - Hypsographic
PENX section of peninsula   T - Hypsographic
PGDA pagoda a tower-like storied structure, usually a Buddhist shrine S - Spot Feature
PIER pier a structure built out into navigable water on piles providing berthing for ships and recreation S - Spot Feature
PK peak a pointed elevation atop a mountain, ridge, or other hypsographic feature T - Hypsographic
PKLT parking lot an area used for parking vehicles S - Spot Feature
PKS peaks pointed elevations atop a mountain, ridge, or other hypsographic features T - Hypsographic
PKSU peaks prominent elevations, part of a larger feature, either pointed or of very limited extent across the summit U - Undersea
PKU peak a prominent elevation, part of a larger feature, either pointed or of very limited extent across the summit U - Undersea
PLAT plateau an elevated plain with steep slopes on one or more sides, and often with incised streams T - Hypsographic
PLATX section of plateau   T - Hypsographic
PLDR polder an area reclaimed from the sea by diking and draining T - Hypsographic
PLFU platform a flat or gently sloping underwater surface extending seaward from the shore U - Undersea
PLN plain(s) an extensive area of comparatively level to gently undulating land, lacking surface irregularities, and usually adjacent to a higher area T - Hypsographic
PLNU plain a flat, gently sloping or nearly level region U - Undersea
PLNX section of plain   T - Hypsographic
PLTU plateau a comparatively flat-topped feature of considerable extent, dropping off abruptly on one or more sides U - Undersea
PMPO oil pumping station a facility for pumping oil through a pipeline S - Spot Feature
PMPW water pumping station a facility for pumping water from a major well or through a pipeline S - Spot Feature
PND pond a small standing waterbody H - Hydrographic
PNDI intermittent pond   H - Hydrographic
PNDN salt pond a small standing body of salt water often in a marsh or swamp, usually along a seacoast H - Hydrographic
PNDNI intermittent salt pond(s)   H - Hydrographic
PNDS ponds small standing waterbodies H - Hydrographic
PNDSF fishponds ponds or enclosures in which fish are kept or raised H - Hydrographic
PNDSI intermittent ponds   H - Hydrographic
PNDSN salt ponds small standing bodies of salt water often in a marsh or swamp, usually along a seacoast H - Hydrographic
PNLU pinnacle a high tower or spire-shaped pillar of rock or coral, alone or cresting a summit U - Undersea
PO post office a public building in which mail is received, sorted and distributed S - Spot Feature
POOL pool(s) a small and comparatively still, deep part of a larger body of water such as a stream or harbor; or a small body of standing water H - Hydrographic
POOLI intermittent pool   H - Hydrographic
PP police post a building in which police are stationed S - Spot Feature
PPL populated place a city, town, village, or other agglomeration of buildings where people live and work P - Populated Place
PPLA seat of a first-order administrative division seat of a first-order administrative division (PPLC takes precedence over PPLA) P - Populated Place
PPLC capital of a political entity   P - Populated Place
PPLL populated locality an area similar to a locality but with a small group of dwellings or other buildings P - Populated Place
PPLQ abandoned populated place   P - Populated Place
PPLR religious populated place a populated place whose population is largely engaged in religious occupations P - Populated Place
PPLS populated places cities, towns, villages, or other agglomerations of buildings where people live and work P - Populated Place
PPLW destroyed populated place a village, town or city destroyed by a natural disaster, or by war P - Populated Place
PPLX section of populated place   P - Populated Place
PPQ abandoned police post   S - Spot Feature
PRK park an area, often of forested land, maintained as a place of beauty, or for recreation L - Area
PRKGT park gate a controlled access to a park S - Spot Feature
PRKHQ park headquarters a park administrative facility S - Spot Feature
PRMN promenade a place for public walking, usually along a beach front R - Streets/Highways/Roads
PRN prison a facility for confining prisoners S - Spot Feature
PRNJ reformatory a facility for confining, training, and reforming young law offenders S - Spot Feature
PRNQ abandoned prison   S - Spot Feature
PROM promontory(-ies) a bluff or prominent hill overlooking or projecting into a lowland T - Hypsographic
PRSH parish an ecclesiastical district A - Administrative Region
PRT port a place provided with terminal and transfer facilities for loading and discharging waterborne cargo or passengers, usually located in a harbor L - Area
PRVU province a region identifiable by a group of similar physiographic features whose characteristics are markedly in contrast with surrounding areas U - Undersea
PS power station a facility for generating electric power S - Spot Feature
PSH hydroelectric power station a building where electricity is generated from water power S - Spot Feature
PSTB border post a post or station at an international boundary for the regulation of movement of people and goods S - Spot Feature
PSTC customs post a building at an international boundary where customs and duties are paid on goods S - Spot Feature
PSTP patrol post a post from which patrols are sent out S - Spot Feature
PT point a tapering piece of land projecting into a body of water, less prominent than a cape T - Hypsographic
PTGE portage a place where boats, goods, etc., are carried overland between navigable waters R - Streets/Highways/Roads
PTS points tapering pieces of land projecting into a body of water, less prominent than a cape T - Hypsographic
PYR pyramid an ancient massive structure of square ground plan with four triangular faces meeting at a point and used for enclosing tombs S - Spot Feature
PYRS pyramids ancient massive structures of square ground plan with four triangular faces meeting at a point and used for enclosing tombs S - Spot Feature
QCKS quicksand an area where loose sand with water moving through it may become unstable when heavy objects are placed at the surface, causing them to sink L - Area
QUAY quay a structure of solid construction along a shore or bank which provides berthing for ships and which generally provides cargo handling facilities S - Spot Feature
RAVU ravine a small canyon U - Undersea
RCH reach a straight section of a navigable stream or channel between two bends H - Hydrographic
RD road an open way with improved surface for transportation of animals, people and vehicles R - Streets/Highways/Roads
RDA ancient road the remains of a road used by ancient cultures R - Streets/Highways/Roads
RDB road bend a conspicuously curved or bent section of a road R - Streets/Highways/Roads
RDCUT road cut an excavation cut through a hill or ridge for a road R - Streets/Highways/Roads
RDGB beach ridge a ridge of sand just inland and parallel to the beach, usually in series T - Hypsographic
RDGE ridge(s) a long narrow elevation with steep sides, and a more or less continuous crest T - Hypsographic
RDGG icecap ridge a linear elevation on an icecap H - Hydrographic
RDGU ridge a long narrow elevation with steep sides U - Undersea
RDJCT road junction a place where two or more roads join R - Streets/Highways/Roads
RDST roadstead an open anchorage affording less protection than a harbor H - Hydrographic
RDSU ridges long narrow elevations with steep sides U - Undersea
RECG golf course a recreation field where golf is played S - Spot Feature
RECR racetrack a track where races are held S - Spot Feature
REG stony desert a desert plain characterized by a surface veneer of gravel and stones T - Hypsographic
REP republic   L - Area
RES reserve a tract of public land reserved for future use or restricted as to use L - Area
RESA agricultural reserve a tract of land reserved for agricultural reclamation and/or development L - Area
RESF forest reserve a forested area set aside for preservation or controlled use L - Area
RESH hunting reserve a tract of land used primarily for hunting L - Area
RESN nature reserve an area reserved for the maintenance of a natural habitat L - Area
RESP palm tree reserve an area of palm trees where use is controlled L - Area
RESV reservation a tract of land set aside for aboriginal, tribal, or native populations L - Area
RESW wildlife reserve a tract of public land reserved for the preservation of wildlife L - Area
RF reef(s) a surface-navigation hazard composed of consolidated material H - Hydrographic
RFC coral reef(s) a surface-navigation hazard composed of coral H - Hydrographic
RFSU reefs surface-navigation hazards composed of consolidated material U - Undersea
RFU reef a surface-navigation hazard composed of consolidated material U - Undersea
RFX section of reef   H - Hydrographic
RGN region an area distinguished by one or more observable physical or cultural characteristics L - Area
RGNE economic region a region of a country established for economic development or for statistical purposes L - Area
RGNL lake region a tract of land distinguished by numerous lakes L - Area
RHSE resthouse a structure maintained for the rest and shelter of travelers S - Spot Feature
RISU rise a broad elevation that rises gently, and generally smoothly, from the sea floor U - Undersea
RJCT railroad junction a place where two or more railroad tracks join R - Streets/Highways/Roads
RK rock a conspicuous, isolated rocky mass T - Hypsographic
RKFL rockfall an irregular mass of fallen rock at the base of a cliff or steep slope T - Hypsographic
RKRY rookery a breeding place of a colony of birds or seals S - Spot Feature
RKS rocks conspicuous, isolated rocky masses T - Hypsographic
RLG religious site an ancient site of significant religious importance S - Spot Feature
RLGR retreat a place of temporary seclusion, especially for religious groups S - Spot Feature
RMPU ramp a gentle slope connecting areas of different elevations U - Undersea
RNCH ranch(es) a large farm specializing in extensive grazing of livestock S - Spot Feature
RNGA artillery range a tract of land used for artillery firing practice L - Area
RNGU range a series of associated ridges or seamounts U - Undersea
RPDS rapids a turbulent section of a stream associated with a steep, irregular stream bed H - Hydrographic
RR railroad a permanent twin steel-rail track on which freight and passenger cars move long distances R - Streets/Highways/Roads
RRQ abandoned railroad   R - Streets/Highways/Roads
RSD railroad siding a short track parallel to and joining the main track S - Spot Feature
RSGNL railroad signal a signal at the entrance of a particular section of track governing the movement of trains S - Spot Feature
RSRT resort a specialized facility for vacation, health, or participation sports activities S - Spot Feature
RSTN railroad station a facility comprising ticket office, platforms, etc. for loading and unloading train passengers and freight S - Spot Feature
RSTNQ abandoned railroad station   S - Spot Feature
RSTP railroad stop a place lacking station facilities where trains stop to pick up and unload passengers and freight S - Spot Feature
RSTPQ abandoned railroad stop   S - Spot Feature
RSV reservoir(s) an artificial pond or lake H - Hydrographic
RSVI intermittent reservoir   H - Hydrographic
RSVT water tank a contained pool or tank of water at, below, or above ground level H - Hydrographic
RTE caravan route the route taken by caravans R - Streets/Highways/Roads
RUIN ruin(s) a destroyed or decayed structure which is no longer functional S - Spot Feature
RVN ravine(s) a small, narrow, deep, steep-sided stream channel, smaller than a gorge H - Hydrographic
RYD railroad yard a system of tracks used for the making up of trains, and switching and storing freight cars R - Streets/Highways/Roads
SALT salt area a shallow basin or flat where salt accumulates after periodic inundation L - Area
SAND sand area a tract of land covered with sand T - Hypsographic
SBED dry stream bed a channel formerly containing the water of a stream T - Hypsographic
SBKH sabkha(s) a salt flat or salt encrusted plain subject to periodic inundation from flooding or high tides H - Hydrographic
SCH school building(s) where instruction in one or more branches of knowledge takes place S - Spot Feature
SCHA agricultural school a school with a curriculum focused on agriculture S - Spot Feature
SCHC college the grounds and buildings of an institution of higher learning S - Spot Feature
SCHM military school a school at which military science forms the core of the curriculum S - Spot Feature
SCHN maritime school a school at which maritime sciences form the core of the curriculum S - Spot Feature
SCNU seachannel a continuously sloping, elongated depression commonly found in fans or plains and customarily bordered by levees on one or two sides U - Undersea
SCRB scrubland an area of low trees, bushes, and shrubs stunted by some environmental limitation V - Vegetation
SCRP escarpment a long line of cliffs or steep slopes separating level surfaces above and below T - Hypsographic
SCSU seachannels continuously sloping, elongated depressions commonly found in fans or plains and customarily bordered by levees on one or two sides U - Undersea
SD sound a long arm of the sea forming a channel between the mainland and an island or islands; or connecting two larger bodies of water H - Hydrographic
SDL saddle a broad, open pass crossing a ridge or between hills or mountains T - Hypsographic
SDLU saddle a low part, resembling in shape a saddle, in a ridge or between contiguous seamounts U - Undersea
SEA sea a large body of salt water more or less confined by continuous land or chains of islands forming a subdivision of an ocean H - Hydrographic
SHFU shelf a zone adjacent to a continent (or around an island) that extends from the low water line to a depth at which there is usually a marked increase of slope towards oceanic depths U - Undersea
SHLU shoal a surface-navigation hazard composed of unconsolidated material U - Undersea
SHOL shoal(s) a surface-navigation hazard composed of unconsolidated material H - Hydrographic
SHOR shore a narrow zone bordering a waterbody which covers and uncovers at high and low water, respectively T - Hypsographic
SHPF sheepfold a fence or wall enclosure for sheep and other small herd animals S - Spot Feature
SHRN shrine a structure or place memorializing a person or religious concept S - Spot Feature
SHSE storehouse a building for storing goods, especially provisions S - Spot Feature
SHSU shoals hazards to surface navigation composed of unconsolidated material U - Undersea
SHVU shelf valley a valley on the shelf, generally the shoreward extension of a canyon U - Undersea
SILL sill the low part of an underwater gap or saddle separating basins, including a similar feature at the mouth of a fjord H - Hydrographic
SILU sill the low part of a gap or saddle separating basins U - Undersea
SINK sinkhole a small crater-shape depression in a karst area T - Hypsographic
SLCE sluice a conduit or passage for carrying off surplus water from a waterbody, usually regulated by means of a sluice gate S - Spot Feature
SLID slide a mound of earth material, at the base of a slope and the associated scoured area T - Hypsographic
SLP slope(s) a surface with a relatively uniform slope angle T - Hypsographic
SLPU slope the slope seaward from the shelf edge to the beginning of a continental rise or the point where there is a general reduction in slope U - Undersea
SMSU seamounts elevations rising generally more than 1,000 meters and of limited extent across the summit U - Undersea
SMU seamount an elevation rising generally more than 1,000 meters and of limited extent across the summit U - Undersea
SNOW snowfield an area of permanent snow and ice forming the accumulation area of a glacier L - Area
SNTR sanatorium a facility where victims of physical or mental disorders are treated S - Spot Feature
SPA spa a resort area usually developed around a medicinal spring S - Spot Feature
SPIT spit a narrow, straight or curved continuation of a beach into a waterbody T - Hypsographic
SPLY spillway a passage or outlet through which surplus water flows over, around or through a dam S - Spot Feature
SPNG spring(s) a place where ground water flows naturally out of the ground H - Hydrographic
SPNS sulphur spring(s) a place where sulphur ground water flows naturally out of the ground H - Hydrographic
SPNT hot spring(s) a place where hot ground water flows naturally out of the ground H - Hydrographic
SPRU spur a subordinate elevation, ridge, or rise projecting outward from a larger feature U - Undersea
SPUR spur(s) a subordinate ridge projecting outward from a hill, mountain or other elevation T - Hypsographic
SQR square a broad, open, public area near the center of a town or city S - Spot Feature
ST street a paved urban thoroughfare R - Streets/Highways/Roads
STBL stable a building for the shelter and feeding of farm animals, especially horses S - Spot Feature
STDM stadium a structure with an enclosure for athletic games with tiers of seats for spectators S - Spot Feature
STKR stock route a route taken by livestock herds R - Streets/Highways/Roads
STLMT Israeli settlement   P - Populated Place
STM stream a body of running water moving to a lower level in a channel on land H - Hydrographic
STMA anabranch a diverging branch flowing out of a main stream and rejoining it downstream H - Hydrographic
STMB stream bend a conspicuously curved or bent segment of a stream H - Hydrographic
STMC canalized stream a stream that has been substantially ditched, diked, or straightened H - Hydrographic
STMD distributary(-ies) a branch which flows away from the main stream, as in a delta or irrigation canal H - Hydrographic
STMH headwaters the source and upper part of a stream, including the upper drainage basin H - Hydrographic
STMI intermittent stream   H - Hydrographic
STMIX section of intermittent stream   H - Hydrographic
STMM stream mouth(s) a place where a stream discharges into a lagoon, lake, or the sea H - Hydrographic
STMQ abandoned watercourse a former stream or distributary no longer carrying flowing water, but still evident due to lakes, wetland, topographic or vegetation patterns H - Hydrographic
STMS streams bodies of running water moving to a lower level in a channel on land H - Hydrographic
STMSB lost river a surface stream that disappears into an underground channel, or dries up in an arid area H - Hydrographic
STMX section of stream   H - Hydrographic
STNB scientific research base a scientific facility used as a base from which research is carried out or monitored S - Spot Feature
STNC coast guard station a facility from which the coast is guarded by armed vessels S - Spot Feature
STNE experiment station a facility for carrying out experiments S - Spot Feature
STNF forest station a collection of buildings and facilities for carrying out forest management S - Spot Feature
STNI inspection station a station at which vehicles, goods, and people are inspected S - Spot Feature
STNM meteorological station a station at which weather elements are recorded S - Spot Feature
STNR radio station a facility for producing and transmitting information by radio waves S - Spot Feature
STNS satellite station a facility for tracking and communicating with orbiting satellites S - Spot Feature
STNW whaling station a facility for butchering whales and processing train oil S - Spot Feature
STPS steps stones or slabs placed for ease in ascending or descending a steep slope S - Spot Feature
STRT strait a relatively narrow waterway, usually narrower and less extensive than a sound, connecting two larger bodies of water H - Hydrographic
SWMP swamp a wetland dominated by tree vegetation H - Hydrographic
SYSI irrigation system a network of ditches and one or more of the following elements: water supply, reservoir, canal, pump, well, drain, etc. H - Hydrographic
TAL talus slope a steep concave slope formed by an accumulation of loose rock fragments at the base of a cliff or steep slope T - Hypsographic
TERR territory   A - Administrative Region
TERU terrace a relatively flat horizontal or gently inclined surface, sometimes long and narrow, which is bounded by a steeper ascending slope on one side and by a steep descending slope on the opposite side U - Undersea
TMB tomb(s) a structure for interring bodies S - Spot Feature
TMPL temple(s) an edifice dedicated to religious worship S - Spot Feature
TMSU tablemounts (or guyots) seamounts having a comparatively smooth, flat top U - Undersea
TMTU tablemount (or guyot) a seamount having a comparatively smooth, flat top U - Undersea
TNGU tongue an elongate (tongue-like) extension of a flat sea floor into an adjacent higher feature U - Undersea
TNKD cattle dipping tank a small artificial pond used for immersing cattle in chemically treated water for disease control S - Spot Feature
TNL tunnel a subterranean passageway for transportation R - Streets/Highways/Roads
TNLC canal tunnel a tunnel through which a canal passes H - Hydrographic
TNLN natural tunnel a cave that is open at both ends R - Streets/Highways/Roads
TNLRD road tunnel a tunnel through which a road passes R - Streets/Highways/Roads
TNLRR railroad tunnel a tunnel through which a railroad passes R - Streets/Highways/Roads
TNLS tunnels subterranean passageways for transportation R - Streets/Highways/Roads
TOWR tower a high conspicuous structure, typically much higher than its diameter S - Spot Feature
TRB tribal area a tract of land used by nomadic or other tribes L - Area
TREE tree(s) a conspicuous tree used as a landmark V - Vegetation
TRGD interdune trough(s) a long wind-swept trough between parallel longitudinal dunes T - Hypsographic
TRGU trough a long depression of the sea floor characteristically flat bottomed and steep sided, and normally shallower than a trench U - Undersea
TRIG triangulation station a point on the earth whose position has been determined by triangulation S - Spot Feature
TRL trail a path, track, or route used by pedestrians, animals, or off-road vehicles R - Streets/Highways/Roads
TRMO oil pipeline terminal a tank farm or loading facility at the end of an oil pipeline S - Spot Feature
TRNU trench a long, narrow, characteristically very deep and asymmetrical depression of the sea floor, with relatively steep sides U - Undersea
TRR terrace a long, narrow alluvial platform bounded by steeper slopes above and below, usually overlooking a waterbody T - Hypsographic
TUND tundra a marshy, treeless, high latitude plain, dominated by mosses, lichens, and low shrub vegetation under permafrost conditions V - Vegetation
UPLD upland an extensive interior region of high land with low to moderate surface relief T - Hypsographic
USGE United States Government Establishment a facility operated by the United States Government in Panama S - Spot Feature
VAL valley an elongated depression usually traversed by a stream T - Hypsographic
VALG hanging valley a valley the floor of which is notably higher than the valley or shore to which it leads; most common in areas that have been glaciated T - Hypsographic
VALS valleys elongated depressions usually traversed by a stream T - Hypsographic
VALU valley a relatively shallow, wide depression, the bottom of which usually has a continuous gradient U - Undersea
VALX section of valley   T - Hypsographic
VETF veterinary facility a building or camp at which veterinary services are available S - Spot Feature
VIN vineyard a planting of grapevines V - Vegetation
VINS vineyards plantings of grapevines V - Vegetation
VLC volcano a conical elevation composed of volcanic materials with a crater at the top T - Hypsographic
VLSU valleys a relatively shallow, wide depression, the bottom of which usually has a continuous gradient U - Undersea
WAD wadi a valley or ravine, bounded by relatively steep banks, which in the rainy season becomes a watercourse; found primarily in North Africa and the Middle East H - Hydrographic
WADB wadi bend a conspicuously curved or bent segment of a wadi H - Hydrographic
WADJ wadi junction a place where two or more wadies join H - Hydrographic
WADM wadi mouth the lower terminus of a wadi where it widens into an adjoining floodplain, depression, or waterbody H - Hydrographic
WADS wadies valleys or ravines, bounded by relatively steep banks, which in the rainy season become watercourses; found primarily in North Africa and the Middle East H - Hydrographic
WADX section of wadi   H - Hydrographic
WALL wall a thick masonry structure, usually enclosing a field or building, or forming the side of a structure S - Spot Feature
WALLA ancient wall the remains of a linear defensive stone structure S - Spot Feature
WEIR weir(s) a small dam in a stream, designed to raise the water level or to divert stream flow through a desired channel S - Spot Feature
WHRF wharf(-ves) a structure of open rather than solid construction along a shore or a bank which provides berthing for ships and cargo-handling facilities S - Spot Feature
WHRL whirlpool a turbulent, rotating movement of water in a stream H - Hydrographic
WLL well a cylindrical hole, pit, or tunnel drilled or dug down to a depth from which water, oil, or gas can be pumped or brought to the surface H - Hydrographic
WLLQ abandoned well   H - Hydrographic
WLLS wells cylindrical holes, pits, or tunnels drilled or dug down to a depth from which water, oil, or gas can be pumped or brought to the surface H - Hydrographic
WRCK wreck the site of the remains of a wrecked vessel S - Spot Feature
WTLD wetland an area subject to inundation, usually characterized by bog, marsh, or swamp vegetation H - Hydrographic
WTLDI intermittent wetland   H - Hydrographic
WTRC watercourse a natural, well-defined channel produced by flowing water, or an artificial channel designed to carry flowing water H - Hydrographic
WTRH waterhole(s) a natural hole, hollow, or small depression that contains water, used by man and animals, especially in arid areas H - Hydrographic
WTRW waterworks a facility for supplying potable water through a water source and a system of pumps and filtration beds S - Spot Feature
ZN zone   A - Administrative Region
ZNB buffer zone a zone recognized as a buffer between two nations in which military presence is minimal or absent A - Administrative Region
ZNF free trade zone an area, usually a section of a port, where goods may be received and shipped free of customs duty and of most customs regulations S - Spot Feature
ZOO zoo a zoological garden or park where wild animals are kept for exhibition S - Spot Feature
ZZZZZ master source holdings list   L - Area