Location Type

US NGA Feature Designation Codes

On this codelist ‘category’ is used for the Feature Class.

External URL: http://geonames.nga.mil/namesgaz/

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Codes

Code	Name	Description	Category
AIRQ	abandoned airfield	abandoned airfield	S
CMPQ	abandoned camp	abandoned camp	S
CNLQ	abandoned canal	abandoned canal	H
MFGQ	abandoned factory	abandoned factory	S
FRMQ	abandoned farm	abandoned farm	S
MNQ	abandoned mine	abandoned mine	S
MSSNQ	abandoned mission	abandoned mission	S
OILQ	abandoned oil well	abandoned oil well	S
PPQ	abandoned police post	abandoned police post	S
PPLQ	abandoned populated place	abandoned populated place	P
PRNQ	abandoned prison	abandoned prison	S
RRQ	abandoned railroad	abandoned railroad	R
RSTNQ	abandoned railroad station	abandoned railroad station	S
RSTPQ	abandoned railroad stop	abandoned railroad stop	S
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
WLLQ	abandoned well	abandoned well	H
ADMD	administrative division	an administrative division of a political entity, undifferentiated as to administrative level	A
ADMF	administrative facility	a government building	S
AGRC	agricultural colony	a tract of land set aside for agricultural settlement	L
AGRF	agricultural facility	a building and/or tract of land used for improving agriculture	S
RESA	agricultural reserve	a tract of land reserved for agricultural reclamation and/or development	L
SCHA	agricultural school	a school with a curriculum focused on agriculture	S
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
AIRF	airfield	a place on land where aircraft land and take off; no facilities provided for the commercial handling of passengers and cargo	S
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
AMTH	amphitheater	an oval or circular structure with rising tiers of seats about a stage or open space	S
STMA	anabranch	a diverging branch flowing out of a main stream and rejoining it downstream	H
ANCH	anchorage	an area where vessels may anchor	H
RDA	ancient road	the remains of a road used by ancient cultures	R
ANS	ancient site	a place where archeological remains, old structures, or cultural artifacts are located	S
WALLA	ancient wall	the remains of a linear defensive stone structure	S
BLDA	apartment building	a building containing several individual apartments	S
AQC	aquaculture facility	facility or area for the cultivation of aquatic animals and plants, especially fish, shellfish, and seaweed, in natural or controlled marine or freshwater environments; underwater agriculture	S
CNLA	aqueduct	a conduit used to carry water	H
ARCH	arch	a natural or man-made structure in the form of an arch	S
LAND	Arctic land	a tract of land in the Arctic	L
AREA	area	a tract of land without homogeneous character or boundaries	L
ISLF	artificial island	an island created by landfill or diking and filling in a wetland, bay, or lagoon	T
RNGA	artillery range	a tract of land used for artillery firing practice	L
ASPH	asphalt lake	a small basin containing naturally occurring asphalt	T
ASTR	astronomical station	a point on the earth whose position has been determined by observations of celestial bodies	S
ASYL	asylum	a facility where the insane are cared for and protected	S
ATHF	athletic field	a tract of land used for playing team sports, and athletic track and field events	S
ATOL	atoll(s)	a ring-shaped coral reef which has closely spaced islands on it encircling a lagoon	T
CTRA	atomic center	a facility where atomic research is carried out	S
BDLD	badlands	an area characterized by a maze of very closely spaced, deep, narrow, steep-sided ravines, and sharp crests and pinnacles	T
BSTN	baling station	a facility for baling agricultural products	S
ESTB	banana plantation	an estate that specializes in the growing of bananas	S
BAN	bank	an establishment for the custody, loan, exchange or issue of money, for the extension of credit, and for facilitating the transmission of funds	S
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
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
BRKS	barracks	a building for lodging military personnel	S
BTL	battlefield	a site of a land battle of historical importance	L
BAY	bay	a coastal indentation between two capes or headlands, larger than a cove but smaller than a gulf	H
BAYS	bays	coastal indentations between two capes or headlands, larger than a cove but smaller than a gulf	H
BCH	beach	a shore zone of coarse unconsolidated sediment that extends from the low-water line to the highest reach of storm waves	T
RDGB	beach ridge	a ridge of sand just inland and parallel to the beach, usually in series	T
BCHS	beaches	a shore zone of coarse unconsolidated sediment that extends from the low-water line to the highest reach of storm waves	T
BCN	beacon	a fixed artificial navigation mark	S
BNCH	bench	a long, narrow bedrock platform bounded by steeper slopes above and below, usually overlooking a waterbody	T
BGHT	bight(s)	an open body of water forming a slight recession in a coastline	H
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
BLOW	blowout(s)	a small depression in sandy terrain, caused by wind erosion	T
BTYD	boatyard	a waterside facility for servicing, repairing, and building small vessels	S
BOG	bog(s)	a wetland characterized by peat forming sphagnum moss, sedge, and other acid-water plants	H
PSTB	border post	a post or station at an international boundary for the regulation of movement of people and goods	S
BLDR	boulder field	a high altitude or high latitude bare, flat area covered with large angular rocks	T
BP	boundary marker	a fixture marking a point along a boundary	S
BRKW	breakwater	a structure erected to break the force of waves at the entrance to a harbor or port	S
MFGB	brewery	one or more buildings where beer is brewed	S
BDG	bridge	a structure erected across an obstacle such as a stream, road, etc., in order to carry roads, railroads, and pedestrians across	S
ZNB	buffer zone	a zone recognized as a buffer between two nations in which military presence is minimal or absent	A
BLDG	building(s)	a structure built for permanent use, as a house, factory, etc.	S
BUR	burial cave(s)	a cave used for human burials	S
BUSH	bush(es)	a small clump of conspicuous bushes in an otherwise bare area	V
CTRB	business center	a place where a number of businesses are located	L
BUTE	butte(s)	a small, isolated, usually flat-topped hill with steep sides	T
CARN	cairn	a heap of stones erected as a landmark or for other purposes	S
CLDA	caldera	a depression measuring kilometers across formed by the collapse of a volcanic mountain	T
CMP	camp(s)	a site occupied by tents, huts, or other shelters for temporary use	S
CNL	canal	an artificial watercourse	H
CNLB	canal bend	a conspicuously curved or bent section of a canal	H
TNLC	canal tunnel	a tunnel through which a canal passes	H
STMC	canalized stream	a stream that has been substantially ditched, diked, or straightened	H
MFGC	cannery	a building where food items are canned	S
CNYN	canyon	a deep, narrow valley with steep sides cutting into a plateau or mountainous area	T
CAPE	cape	a land area, more prominent than a point, projecting into the sea and marking a notable change in coastal direction	T
PPLC	capital of a political entity	capital of a political entity	P
RTE	caravan route	the route taken by caravans	R
CSNO	casino	a building used for entertainment, especially gambling	S
CSTL	castle	a large fortified building or set of buildings	S
TNKD	cattle dipping tank	a small artificial pond used for immersing cattle in chemically treated water for disease control	S
CSWY	causeway	a raised roadway across wet ground or shallow water	R
CAVE	cave(s)	an underground passageway or chamber, or cavity on the side of a cliff	S
CMTY	cemetery	a burial place or ground	S
CHN	channel	the deepest part of a stream, bay, lagoon, or strait, through which the main current flows	H
MNCR	chrome mine(s)	a mine where chrome ore is extracted	S
CH	church	a building for public Christian worship	S
CRQ	cirque	a bowl-like hollow partially surrounded by cliffs or steep slopes at the head of a glaciated valley	T
CRQS	cirques	bowl-like hollows partially surrounded by cliffs or steep slopes at the head of a glaciated valley	T
CLG	clearing	an area in a forest with trees removed	L
CFT	cleft(s)	a deep narrow slot, notch, or groove in a coastal cliff	T
CLF	cliff(s)	a high, steep to perpendicular slope overlooking a waterbody or lower area	T
HSPC	clinic	a medical facility associated with a hospital for outpatients	S
MNC	coal mine(s)	a mine where coal is extracted	S
COLF	coalfield	a region in which coal deposits of possible economic value occur	L
CST	coast	a zone of variable width straddling the shoreline	L
STNC	coast guard station	a facility from which the coast is guarded by armed vessels	S
GRVC	coconut grove	a planting of coconut trees	V
SCHC	college	the grounds and buildings of an institution of higher learning	S
CMN	common	a park or pasture for community use	L
COMC	communication center	a facility, including buildings, antennae, towers and electronic equipment for receiving and transmitting information	S
CTRCM	community center	a facility for community recreation and other activities	S
CNS	concession area	a lease of land by a government for economic development, e.g., mining, forestry	L
CONE	cone(s)	a conical landform composed of mud or volcanic material	T
CNFL	confluence	a place where two or more streams or intermittent streams flow together	H
CRSU	continental rise	a gentle slope rising from oceanic depths towards the foot of a continental slope	U
CVNT	convent	a building where a community of nuns lives in seclusion	S
MNCU	copper mine(s)	a mine where copper ore is extracted	S
MFGCU	copper works	a facility for processing copper ore	S
RFC	coral reef(s)	a surface-navigation hazard composed of coral	H
CRRL	corral(s)	a pen or enclosure for confining or capturing animals	S
CRDR	corridor	a strip or area of land having significance as an access way	T
ESTC	cotton plantation	an estate specializing in the cultivation of cotton	S
HSEC	country house	a large house, mansion, or chateau, on a large estate	S
CTHSE	courthouse	a building in which courts of law are held	S
COVE	cove(s)	a small coastal indentation, smaller than a bay	H
LKC	crater lake	a lake in a crater or caldera	H
LKSC	crater lakes	lakes in a crater or caldera	H
CRTR	crater(s)	a generally circular saucer or bowl-shaped depression caused by volcanic or meteorite explosive action	T
CUET	cuesta(s)	an asymmetric ridge formed on tilted strata	T
CULT	cultivated area	an area under cultivation	V
CRNT	current	a horizontal flow of water in a given direction with uniform velocity	H
CSTM	customs house	a building in a port where customs and duties are paid, and where vessels are entered and cleared	S
PSTC	customs post	a building at an international boundary where customs and duties are paid on goods	S
CUTF	cutoff	a channel formed as a result of a stream cutting through a meander neck	H
DARY	dairy	a facility for the processing, sale and distribution of milk or milk products	S
DAM	dam	a barrier constructed across a stream to impound water	S
DEPU	deep	a localized deep area within the confines of a larger feature, such as a trough, basin or trench	U
DLTA	delta	a flat plain formed by alluvial deposits at the mouth of a stream	T
PCLD	dependent political entity	dependent political entity	A
DPR	depression(s)	a low area surrounded by higher land and usually characterized by interior drainage	T
DSRT	desert	a large area with little or no vegetation due to extreme environmental conditions	T
PPLW	destroyed populated place	a village, town or city destroyed by a natural disaster, or by war	P
MNDT	diatomite mine(s)	a place where diatomaceous earth is extracted	S
DIKE	dike	an earth or stone embankment usually constructed for flood or stream control	S
DIP	diplomatic facility	office, residence, or facility of a foreign government, which may include an embassy, consulate, chancery, office of charge d’affaires, or other diplomatic, economic, military, or cultural mission	S
HSPD	dispensary	a building where medical or dental aid is dispensed	S
STMD	distributary(-ies)	a branch which flows away from the main stream, as in a delta or irrigation canal	H
DTCH	ditch	a small artificial watercourse dug for draining or irrigating the land	H
DTCHM	ditch mouth(s)	an area where a drainage ditch enters a lagoon, lake or bay	H
DVD	divide	a line separating adjacent drainage basins	T
DCK	dock(s)	a waterway between two piers, or cut into the land for the berthing of ships	H
DCKB	docking basin	a part of a harbor where ships dock	H
DCKY	dockyard	a facility for servicing, building, or repairing ships	S
BSND	drainage basin	an area drained by a stream	L
CNLD	drainage canal	an artificial waterway carrying water away from a wetland or from drainage ditches	H
DTCHD	drainage ditch	a ditch which serves to drain the land	H
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
SBED	dry stream bed	a channel formerly containing the water of a stream	T
DUNE	dune(s)	a wave form, ridge or star shape feature composed of sand	T
RGNE	economic region	a region of a country established for economic development or for statistical purposes	L
SCRP	escarpment	a long line of cliffs or steep slopes separating level surfaces above and below	T
EST	estate(s)	a large commercialized agricultural landholding with associated buildings and other facilities	S
ESTY	estuary	a funnel-shaped stream mouth or embayment where fresh water mixes with sea water under tidal influences	H
STNE	experiment station	a facility for carrying out experiments	S
FCL	facility	a building or buildings housing a center, institute, foundation, hospital, prison, mission, courthouse, etc.	S
CTRF	facility center	a place where more than one facility is situated	S
MFG	factory	one or more buildings where goods are manufactured, processed or fabricated	S
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
FRM	farm	a tract of land with associated buildings devoted to agriculture	S
PPLF	farm village	a populated place where the population is largely engaged in agricultural activities	P
FRMS	farms	tracts of land with associated buildings devoted to agriculture	S
FRMT	farmstead	the buildings and adjacent service areas of a farm	S
FY	ferry	a boat or other floating conveyance and terminal facilities regularly used to transport people and vehicles across a waterbody	S
FYT	ferry terminal	a place where ferries pick-up and discharge passengers, vehicles and or cargo	S
FLD	field(s)	an open as opposed to wooded area	L
FIRE	fire station	building housing firefighters and/or fire fighting equipment	S
ADM1	first-order administrative division	a primary administrative division of a country, such as a state in the United States	A
FISH	fishing area	a fishing ground, bank or area where fishermen go to catch fish	H
PNDSF	fishponds	ponds or enclosures in which fish are kept or raised	H
FSR	fissure	a crack associated with volcanism	T
FJD	fjord	a long, narrow, steep-walled, deep-water arm of the sea at high latitudes, usually along mountainous coasts	H
FJDS	fjords	long, narrow, steep-walled, deep-water arms of the sea at high latitudes, usually along mountainous coasts	H
FORD	ford	a shallow part of a stream which can be crossed on foot or by land vehicle	T
RESF	forest reserve	a forested area set aside for preservation or controlled use	L
STNF	forest station	a collection of buildings and facilities for carrying out forest management	S
FRST	forest(s)	an area dominated by tree vegetation	V
INLTQ	former inlet	an inlet which has been filled in, or blocked by deposits	H
MLSGQ	former sugar mill	a sugar mill no longer used as a sugar mill	S
FT	fort	a defensive structure or earthworks	S
FRSTF	fossilized forest	a forest fossilized by geologic processes and now exposed at the earth’s surface	V
FNDY	foundry	a building or works where metal casting is carried out	S
ADM4	fourth-order administrative division	a subdivision of a third-order administrative division	A
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
PCLF	freely associated state	freely associated state	A
DPOF	fuel depot	an area where fuel is stored	S
GAP	gap	a low place in a ridge, not used for transportation	T
GDN	garden(s)	an enclosure for displaying selected plant or animal life	S
GOSP	gas-oil separator plant	a facility for separating gas from oil	S
GASF	gasfield	an area containing a subterranean store of natural gas of economic value	L
GATE	gate	a controlled access entrance or exit	S
GYSR	geyser	a type of hot spring with intermittent eruptions of jets of hot water and steam	H
GHAT	ghāt	a set of steps leading to a river, which are of religious significance, and at their base is usually a platform for bathing	S
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
MNAU	gold mine(s)	a mine where gold ore, or alluvial gold is extracted	S
RECG	golf course	a recreation field where golf is played	S
GRGE	gorge(s)	a short, narrow, steep-sided section of a stream valley	T
GRSLD	grassland	an area dominated by grass vegetation	V
GRVE	grave	a burial site	S
GVL	gravel area	an area covered with gravel	L
GRAZ	grazing area	an area of grasses and shrubs used for grazing	L
GHSE	guest house	a house used to provide lodging for paying guests	S
GULF	gulf	a large recess in the coastline, larger than a bay	H
HLT	halting place	a place where caravans stop for rest	S
HMCK	hammock(s)	a patch of ground, distinct from and slightly above the surrounding plain or wetland. Often occurs in groups	T
AIRG	hangar	a covered and usually enclosed area for housing and repairing aircraft	S
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
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
HDLD	headland	a high projection of land extending into a large body of water beyond the line of the coast	T
STMH	headwaters	the source and upper part of a stream, including the upper drainage basin	H
HTH	heath	an upland moor or sandy area dominated by low shrubby vegetation including heather	V
AIRH	heliport	a place where helicopters land and take off	S
HERM	hermitage	a secluded residence, usually for religious sects	S
HLL	hill	a rounded elevation of limited extent rising above the surrounding land with local relief of less than 300m	T
HLLS	hills	rounded elevations of limited extent rising above the surrounding land with local relief of less than 300m	T
ADMDH	historical administrative division	a former administrative division of a political entity, undifferentiated as to administrative level	A
ADM1H	historical first-order administrative division	a former first-order administrative division	A
ADM4H	historical fourth-order administrative division	a former fourth-order administrative division	A
PCLH	historical political entity	a former political entity	A
PPLH	historical populated place	a populated place that no longer exists	P
RRH	historical railroad	a former permanent twin steel-rail track on which freight and passenger cars move long distances	R
RSTNH	historical railroad station	a former facility comprising ticket office, platforms, etc. for loading and unloading train passengers and freight	S
RGNH	historical region	a former area distinguished by one or more observable physical or cultural characteristics	L
ADM2H	historical second-order administrative division	a former second-order administrative division	A
HSTS	historical site	a place of historical importance	S
ADM3H	historical third-order administrative division	a former third-order administrative division	A
UFHU	historical undersea feature	an undersea feature whose existence has been subsequently disproved	U
HMSD	homestead	a residence, owner’s or manager’s, on a sheep or cattle station, woolshed, outcamp, or Aboriginal outstation, specific to Australia and New Zealand	S
HSP	hospital	a building in which sick or injured, especially those confined to bed, are medically treated	S
SPNT	hot spring(s)	a place where hot ground water flows naturally out of the ground	H
HTL	hotel	a building providing lodging and/or meals for the public	S
HSE	house(s)	a building used as a human habitation	S
DEVH	housing development	a tract of land on which many houses of similar design are built according to a development plan	L
RESH	hunting reserve	a tract of land used primarily for hunting	L
HUT	hut	a small primitive house	S
HUTS	huts	small primitive houses	S
PSH	hydroelectric power station	a building where electricity is generated from water power	S
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
DPRG	icecap depression	a comparatively depressed area on an icecap	H
DOMG	icecap dome	a comparatively elevated area on an icecap	H
RDGG	icecap ridge	a linear elevation on an icecap	H
PCLI	independent political entity	independent political entity	A
INDS	industrial area	an area characterized by industrial activity	L
INLT	inlet	a narrow waterway extending into the land, or connecting a bay or lagoon with a larger body of water	H
STNI	inspection station	a station at which vehicles, goods, and people are inspected	S
TRGD	interdune trough(s)	a long wind-swept trough between parallel longitudinal dunes	T
INTF	interfluve	a relatively undissected upland between adjacent stream valleys	T
LKI	intermittent lake	intermittent lake	H
LKSI	intermittent lakes	intermittent lakes	H
LKOI	intermittent oxbow lake	intermittent oxbow lake	H
PNDI	intermittent pond	intermittent pond	H
PNDSI	intermittent ponds	intermittent ponds	H
POOLI	intermittent pool	intermittent pool	H
RSVI	intermittent reservoir	intermittent reservoir	H
LKNI	intermittent salt lake	intermittent salt lake	H
LKSNI	intermittent salt lakes	intermittent salt lakes	H
PNDNI	intermittent salt pond(s)	intermittent salt pond(s)	H
STMI	intermittent stream	intermittent stream	H
WTLDI	intermittent wetland	intermittent wetland	H
RDIN	intersection	a junction of two or more highways by a system of separate levels that permit traffic to pass from one to another without the crossing of traffic streams	S
MNFE	iron mine(s)	a mine where iron ore is extracted	S
FLDI	irrigated field(s)	a tract of level or terraced land which is irrigated	L
CNLI	irrigation canal	a canal which serves as a main conduit for irrigation water	H
DTCHI	irrigation ditch	a ditch which serves to distribute irrigation water	H
SYSI	irrigation system	a network of ditches and one or more of the following elements: water supply, reservoir, canal, pump, well, drain, etc.	H
ISL	island	a tract of land, smaller than a continent, surrounded by water at high water	T
ISLS	islands	tracts of land, smaller than a continent, surrounded by water at high water	T
STLMT	Israeli settlement	Israeli settlement	P
ISTH	isthmus	a narrow strip of land connecting two larger land masses and bordered by water	T
JTY	jetty	a structure built out into the water at a river mouth or harbor entrance to regulate currents and silting	S
KRST	karst area	a distinctive landscape developed on soluble rock such as limestone characterized by sinkholes, caves, disappearing streams, and underground drainage	T
CMPLA	labor camp	a camp used by migrant or temporary laborers	S
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
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
LK	lake	a large inland body of standing water	H
LBED	lake bed(s)	a dried up or drained area of a former lake	H
CHNL	lake channel(s)	that part of a lake having water deep enough for navigation between islands, shoals, etc.	H
RGNL	lake region	a tract of land distinguished by numerous lakes	L
LKS	lakes	large inland bodies of standing water	H
ISLT	land-tied island	a coastal island connected to the mainland by barrier beaches, levees or dikes	T
LNDF	landfill	a place for trash and garbage disposal in which the waste is buried between layers of earth to build up low-lying land	S
LDNG	landing	a place where boats receive or discharge passengers and freight, but lacking most port facilities	S
LAVA	lava area	an area of solidified lava	T
MNPB	lead mine(s)	a mine where lead ore is extracted	S
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
LEPC	leper colony	a settled area inhabited by lepers in relative isolation	S
HSPL	leprosarium	an asylum or hospital for lepers	S
LEV	levee	a natural low embankment bordering a distributary or meandering stream; often built up artificially to control floods	T
LTHSE	lighthouse	a distinctive structure exhibiting a major navigation light	S
MFGLM	limekiln	a furnace in which limestone is reduced to lime	S
GOVL	local government office	a facility housing local governmental offices, usually a city, town, or village hall	S
LCTY	locality	a minor area or place of unspecified or mixed character and indefinite boundaries	L
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
CMPL	logging camp	a camp used by loggers	S
STMSB	lost river	a surface stream that disappears into an underground channel, or dries up in an arid area	H
MVA	maneuver area	a tract of land where military field exercises are carried out	L
ISLM	mangrove island	a mangrove swamp surrounded by a waterbody	T
MGV	mangrove swamp	a tropical tidal mud flat characterized by mangrove vegetation	H
MAR	marina	a harbor facility for small boats, yachts, etc.	S
CHNM	marine channel	that part of a body of water deep enough for navigation through an area otherwise not suitable	H
SCHN	maritime school	a school at which maritime sciences form the core of the curriculum	S
MKT	market	a place where goods are bought and sold at regular intervals	S
MRSH	marsh(es)	a wetland dominated by grass-like vegetation	H
MDW	meadow	a small, poorly drained area dominated by grassy vegetation	V
NKM	meander neck	a narrow strip of land between the two limbs of a meander loop at its narrowest point	T
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
MESA	mesa(s)	a flat-topped, isolated elevation with steep slopes on all sides, less extensive than a plateau	T
STNM	meteorological station	a station at which weather elements are recorded	S
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
INSM	military installation	a facility for use of and control by armed forces	S
SCHM	military school	a school at which military science forms the core of the curriculum	S
ML	mill(s)	a building housing machines for transforming, shaping, finishing, grinding, or extracting products	S
MN	mine(s)	a site where mineral ores are extracted from the ground by excavating surface pits and subterranean passages	S
MNA	mining area	an area of mine sites where minerals and ores are extracted	L
CMPMN	mining camp	a camp used by miners	S
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
MOLE	mole	a massive structure of masonry or large stones serving as a pier or breakwater	S
MSTY	monastery	a building and grounds where a community of monks lives in seclusion	S
MNMT	monument	a commemorative structure or statue	S
MOOR	moor(s)	an area of open ground overlaid with wet peaty soils	H
MRN	moraine	a mound, ridge, or other accumulation of glacial till	T
MSQE	mosque	a building for public Islamic worship	S
MND	mound(s)	a low, isolated, rounded hill	T
MT	mountain	an elevation standing high above the surrounding area with small summit area, steep slopes and local relief of 300m or more	T
MTS	mountains	a mountain range or a group of mountains or high ridges	T
FLTM	mud flat(s)	a relatively level area of mud either between high and low tide lines, or subject to flooding	H
MFGM	munitions plant	a factory where ammunition is made	S
MUS	museum	a building where objects of permanent interest in one or more of the arts and sciences are preserved and exhibited	S
NRWS	narrows	a navigable narrow part of a bay, strait, river, etc.	H
TNLN	natural tunnel	a cave that is open at both ends	R
RESN	nature reserve	an area reserved for the maintenance of a natural habitat	L
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
CNLN	navigation canal(s)	a watercourse constructed for navigation of vessels	H
CHNN	navigation channel	a buoyed channel of sufficient depth for the safe navigation of vessels	H
MNNI	nickel mine(s)	a mine where nickel ore is extracted	S
NOV	novitiate	a religious house or school where novices are trained	S
PSN	nuclear power station	nuclear power station	S
NTK	nunatak	a rock or mountain peak protruding through glacial ice	T
NTKS	nunataks	rocks or mountain peaks protruding through glacial ice	T
NSY	nursery(-ies)	a place where plants are propagated for transplanting or grafting	S
OAS	oasis(-es)	an area in a desert made productive by the availability of water	L
OBPT	observation point	a wildlife or scenic observation point	S
OBS	observatory	a facility equipped for observation of atmospheric or space phenomena	S
OCN	ocean	one of the major divisions of the vast expanse of salt water covering part of the earth	H
BLDO	office building	commercial building where business and/or services are conducted	S
CMPO	oil camp	a camp used by oilfield workers	S
ESTO	oil palm plantation	an estate specializing in the cultivation of oil palm trees	S
OILP	oil pipeline	a pipeline used for transporting oil	R
OILJ	oil pipeline junction	a section of an oil pipeline where two or more pipes join together	S
TRMO	oil pipeline terminal	a tank farm or loading facility at the end of an oil pipeline	S
PMPO	oil pumping station	a facility for pumping oil through a pipeline	S
OILR	oil refinery	a facility for converting crude oil into refined petroleum products	S
OILW	oil well	a well from which oil may be pumped	S
OILF	oilfield	an area containing a subterranean store of petroleum of economic value	L
GRVO	olive grove	a planting of olive trees	V
MLO	olive oil mill	a mill where oil is extracted from olives	S
OCH	orchard(s)	a planting of fruit or nut trees	V
MLM	ore treatment plant	a facility for improving the metal content of ore by concentration	S
OVF	overfalls	an area of breaking waves caused by the meeting of currents or by waves moving against the current	H
LKO	oxbow lake	a crescent-shaped lake commonly found adjacent to meandering streams	H
PGDA	pagoda	a tower-like storied structure, usually a Buddhist shrine	S
PAL	palace	a large stately house, often a royal or presidential residence	S
GRVP	palm grove	a planting of palm trees	V
RESP	palm tree reserve	an area of palm trees where use is controlled	L
PAN	pan	a near-level shallow, natural depression or basin, usually containing an intermittent lake, pond, or pool	T
PANS	pans	a near-level shallow, natural depression or basin, usually containing an intermittent lake, pond, or pool	T
PRSH	parish	an ecclesiastical district	A
PRK	park	an area, often of forested land, maintained as a place of beauty, or for recreation	L
PRKGT	park gate	a controlled access to a park	S
PRKHQ	park headquarters	a park administrative facility	S
GARG	parking garage	a building or underground facility used exclusively for parking vehicles	S
PKLT	parking lot	an area used for parking vehicles	S
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
PSTP	patrol post	a post from which patrols are sent out	S
PK	peak	a pointed elevation atop a mountain, ridge, or other hypsographic feature	T
PKS	peaks	pointed elevations atop a mountain, ridge, or other hypsographic features	T
PEAT	peat cutting area	an area where peat is harvested	L
PEN	peninsula	an elongate area of land projecting into a body of water and nearly surrounded by water	T
BSNP	petroleum basin	an area underlain by an oil-rich structural basin	L
MFGPH	phosphate works	a facility for producing fertilizer	S
PIER	pier	a structure built out into navigable water on piles providing berthing for ships and recreation	S
GRVPN	pine grove	a planting of pine trees	V
MNPL	placer mine(s)	a place where heavy metals are concentrated and running water is used to extract them from unconsolidated sediments	S
PLN	plain(s)	an extensive area of comparatively level to gently undulating land, lacking surface irregularities, and usually adjacent to a higher area	T
PLAT	plateau	an elevated plain with steep slopes on one or more sides, and often with incised streams	T
PT	point	a tapering piece of land projecting into a body of water, less prominent than a cape	T
PTS	points	tapering pieces of land projecting into a body of water, less prominent than a cape	T
PLDR	polder	an area reclaimed from the sea by diking and draining	T
PP	police post	a building in which police are stationed	S
PCL	political entity	political entity	A
PND	pond	a small standing waterbody	H
PNDS	ponds	small standing waterbodies	H
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
PPLL	populated locality	an area similar to a locality but with a small group of dwellings or other buildings	P
PPL	populated place	a city, town, village, or other agglomeration of buildings where people live and work	P
PPLS	populated places	cities, towns, villages, or other agglomerations of buildings where people live and work	P
PRT	port	a place provided with terminal and transfer facilities for loading and discharging waterborne cargo or passengers, usually located in a harbor	L
PTGE	portage	a place where boats, goods, etc., are carried overland between navigable waters	R
PO	post office	a public building in which mail is received, sorted and distributed	S
PS	power station	a facility for generating electric power	S
PRN	prison	a facility for confining prisoners	S
PRMN	promenade	a place for public walking, usually along a beach front	R
PROM	promontory(-ies)	a bluff or prominent hill overlooking or projecting into a lowland	T
PYR	pyramid	an ancient massive structure of square ground plan with four triangular faces meeting at a point and used for enclosing tombs	S
PYRS	pyramids	ancient massive structures of square ground plan with four triangular faces meeting at a point and used for enclosing tombs	S
MNQR	quarry(-ies)	a surface mine where building stone or gravel and sand, etc. are extracted	S
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
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
RECR	racetrack	a track where races are held	S
OBSR	radio observatory	a facility equipped with an array of antennae for receiving radio waves from space	S
STNR	radio station	a facility for producing and transmitting information by radio waves	S
RR	railroad	a permanent twin steel-rail track on which freight and passenger cars move long distances	R
RJCT	railroad junction	a place where two or more railroad tracks join	R
RSD	railroad siding	a short track parallel to and joining the main track	S
RSGNL	railroad signal	a signal at the entrance of a particular section of track governing the movement of trains	S
RSTN	railroad station	a facility comprising ticket office, platforms, etc. for loading and unloading train passengers and freight	S
RSTP	railroad stop	a place lacking station facilities where trains stop to pick up and unload passengers and freight	S
TNLRR	railroad tunnel	a tunnel through which a railroad passes	R
RYD	railroad yard	a system of tracks used for the making up of trains, and switching and storing freight cars	R
RNCH	ranch(es)	a large farm specializing in extensive grazing of livestock	S
RPDS	rapids	a turbulent section of a stream associated with a steep, irregular stream bed	H
RVN	ravine(s)	a small, narrow, deep, steep-sided stream channel, smaller than a gorge	H
RCH	reach	a straight section of a navigable stream or channel between two bends	H
RF	reef(s)	a surface-navigation hazard composed of consolidated material	H
PRNJ	reformatory	a facility for confining, training, and reforming young law offenders	S
CMPRF	refugee camp	a camp used by refugees	S
RGN	region	an area distinguished by one or more observable physical or cultural characteristics	L
CTRR	religious center	a facility where more than one religious activity is carried out, e.g., retreat, school, monastery, worship	S
PPLR	religious populated place	a populated place whose population is largely engaged in religious occupations	P
RLG	religious site	an ancient site of significant religious importance	S
ITTR	research institute	a facility where research is carried out	S
RESV	reservation	a tract of land set aside for aboriginal, tribal, or native populations	L
RES	reserve	a tract of public land reserved for future use or restricted as to use	L
RSV	reservoir(s)	an artificial pond or lake	H
RSRT	resort	a specialized facility for vacation, health, or participation sports activities	S
RHSE	resthouse	a structure maintained for the rest and shelter of travelers	S
RLGR	retreat	a place of temporary seclusion, especially for religious groups	S
RDGE	ridge(s)	a long narrow elevation with steep sides, and a more or less continuous crest	T
RD	road	an open way with improved surface for transportation of animals, people and vehicles	R
RDB	road bend	a conspicuously curved or bent section of a road	R
RDCUT	road cut	an excavation cut through a hill or ridge for a road	R
RDJCT	road junction	a place where two or more roads join	R
TNLRD	road tunnel	a tunnel through which a road passes	R
RDST	roadstead	an open anchorage affording less protection than a harbor	H
RK	rock	a conspicuous, isolated rocky mass	T
HMDA	rock desert	a relatively sand-free, high bedrock plateau in a hot desert, with or without a gravel veneer	T
RKFL	rockfall	an irregular mass of fallen rock at the base of a cliff or steep slope	T
RKS	rocks	conspicuous, isolated rocky masses	T
RKRY	rookery	a breeding place of a colony of birds or seals	S
ESTR	rubber plantation	an estate which specializes in growing and tapping rubber trees	S
RUIN	ruin(s)	a destroyed or decayed structure which is no longer functional	S
BDGQ	ruined bridge	a destroyed or decayed bridge which is no longer functional	S
DAMQ	ruined dam	a destroyed or decayed dam which is no longer functional	S
SBKH	sabkha(s)	a salt flat or salt encrusted plain subject to periodic inundation from flooding or high tides	H
SDL	saddle	a broad, open pass crossing a ridge or between hills or mountains	T
SALT	salt area	a shallow basin or flat where salt accumulates after periodic inundation	L
MFGN	salt evaporation ponds	diked salt ponds used in the production of solar evaporated salt	H
LKN	salt lake	an inland body of salt water with no outlet	H
LKSN	salt lakes	inland bodies of salt water with no outlet	H
MRSHN	salt marsh	a flat area, subject to periodic salt water inundation, dominated by grassy salt-tolerant plants	H
MNN	salt mine(s)	a mine from which salt is extracted	S
PNDN	salt pond	a small standing body of salt water often in a marsh or swamp, usually along a seacoast	H
PNDSN	salt ponds	small standing bodies of salt water often in a marsh or swamp, usually along a seacoast	H
SNTR	sanatorium	a facility where victims of physical or mental disorders are treated	S
SAND	sand area	a tract of land covered with sand	T
ERG	sandy desert	an extensive tract of shifting sand and sand dunes	T
STNS	satellite station	a facility for tracking and communicating with orbiting satellites	S
MLSW	sawmill	a mill where logs or lumber are sawn to specified shapes and sizes	S
SCH	school	building(s) where instruction in one or more branches of knowledge takes place	S
ADMS	school district	school district	A
STNB	scientific research base	a scientific facility used as a base from which research is carried out or monitored	S
SCRB	scrubland	an area of low trees, bushes, and shrubs stunted by some environmental limitation	V
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
SCNU	seachannel	a continuously sloping, elongated depression commonly found in fans or plains and customarily bordered by levees on one or two sides	U
SCSU	seachannels	continuously sloping, elongated depressions commonly found in fans or plains and customarily bordered by levees on one or two sides	U
SMU	seamount	an elevation rising generally more than 1,000 meters and of limited extent across the summit	U
SMSU	seamounts	elevations rising generally more than 1,000 meters and of limited extent across the summit	U
AIRS	seaplane landing area	a place on a waterbody where floatplanes land and take off	H
PPLA	seat of a first-order administrative division	seat of a first-order administrative division (PPLC takes precedence over PPLA)	P
PPLA4	seat of a fourth-order administrative division	seat of a fourth-order administrative division	P
PPLA2	seat of a second-order administrative division	seat of a second-order administrative division	P
PPLA3	seat of a third-order administrative division	seat of a third-order administrative division	P
ADM2	second-order administrative division	a subdivision of a first-order administrative division	A
BNKX	section of bank	section of bank	H
CNLX	section of canal	section of canal	H
ESTX	section of estate	section of estate	S
HBRX	section of harbor	section of harbor	H
PCLIX	section of independent political entity	section of independent political entity	A
STMIX	section of intermittent stream	section of intermittent stream	H
ISLX	section of island	section of island	T
LGNX	section of lagoon	section of lagoon	H
LKX	section of lake	section of lake	H
PENX	section of peninsula	section of peninsula	T
PLNX	section of plain	section of plain	T
PLATX	section of plateau	section of plateau	T
PPLX	section of populated place	section of populated place	P
RFX	section of reef	section of reef	H
STMX	section of stream	section of stream	H
VALX	section of valley	section of valley	T
WADX	section of wadi	section of wadi	H
FLLSX	section of waterfall(s)	section of waterfall(s)	H
PCLS	semi-independent political entity	semi-independent political entity	A
SWT	sewage treatment plant	facility for the processing of sewage and/or wastewater	S
SHPF	sheepfold	a fence or wall enclosure for sheep and other small herd animals	S
SHOL	shoal(s)	a surface-navigation hazard composed of unconsolidated material	H
SHOPC	shopping center or mall	an urban shopping area featuring a variety of shops surrounding a usually open-air concourse reserved for pedestrian traffic; or a large suburban building or group of buildings containing various shops with associated passageways	S
SHOR	shore	a narrow zone bordering a waterbody which covers and uncovers at high and low water, respectively	T
SHRN	shrine	a structure or place memorializing a person or religious concept	S
SILL	sill	the low part of a gap or saddle separating basins	H
SINK	sinkhole	a small crater-shape depression in a karst area	T
ESTSL	sisal plantation	an estate that specializes in growing sisal	S
SLID	slide	a mound of earth material, at the base of a slope and the associated scoured area	T
SLP	slope(s)	a surface with a relatively uniform slope angle	T
SLCE	sluice	a conduit or passage for carrying off surplus water from a waterbody, usually regulated by means of a sluice gate	S
SNOW	snowfield	an area of permanent snow and ice forming the accumulation area of a glacier	L
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
SPA	spa	a resort area usually developed around a medicinal spring	S
CTRS	space center	a facility for launching, tracking, or controlling satellites and space vehicles	S
SPLY	spillway	a passage or outlet through which surplus water flows over, around or through a dam	S
SPIT	spit	a narrow, straight or curved continuation of a beach into a waterbody	T
SPNG	spring(s)	a place where ground water flows naturally out of the ground	H
SPUR	spur(s)	a subordinate ridge projecting outward from a hill, mountain or other elevation	T
SQR	square	a broad, open, public area near the center of a town or city	S
STBL	stable	a building for the shelter and feeding of farm animals, especially horses	S
STDM	stadium	a structure with an enclosure for athletic games with tiers of seats for spectators	S
STPS	steps	stones or slabs placed for ease in ascending or descending a steep slope	S
STKR	stock route	a route taken by livestock herds	R
REG	stony desert	a desert plain characterized by a surface veneer of gravel and stones	T
RET	store	a building where goods and/or services are offered for sale	S
SHSE	storehouse	a building for storing goods, especially provisions	S
STRT	strait	a relatively narrow waterway, usually narrower and less extensive than a sound, connecting two larger bodies of water	H
STM	stream	a body of running water moving to a lower level in a channel on land	H
BNKR	stream bank	a sloping margin of a stream channel which normally confines the stream to its channel on land	H
STMB	stream bend	a conspicuously curved or bent segment of a stream	H
STMGS	stream gauging station	named place where a measuring station for a watercourse, reservoir or other water body exists	S
STMM	stream mouth(s)	a place where a stream discharges into a lagoon, lake, or the sea	H
STMS	streams	bodies of running water moving to a lower level in a channel on land	H
ST	street	a paved urban thoroughfare	R
DAMSB	sub-surface dam	a dam put down to bedrock in a sand river	S
SUBW	subway	a railroad used for mass public transportation primarily in urban areas, all or part of the system may be located below, above, or at ground level	S
SUBS	subway station	a facility comprising ticket office, platforms, etc. for loading and unloading subway passengers	S
MLSG	sugar mill	a facility where sugar cane is processed into raw sugar	S
ESTSG	sugar plantation	an estate that specializes in growing sugar cane	S
MFGSG	sugar refinery	a facility for converting raw sugar into refined sugar	S
SPNS	sulphur spring(s)	a place where sulphur ground water flows naturally out of the ground	H
SWMP	swamp	a wetland dominated by tree vegetation	H
SYG	synagogue	a place for Jewish worship and religious instruction	S
TMTU	tablemount (or guyot)	a seamount having a comparatively smooth, flat top	U
TMSU	tablemounts (or guyots)	seamounts having a comparatively smooth, flat top	U
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
OILT	tank farm	a tract of land occupied by large, cylindrical, metal tanks in which oil or liquid petrochemicals are stored	S
ESTT	tea plantation	an estate which specializes in growing tea bushes	S
SCHT	technical school	post-secondary school with a specifically technical or vocational curriculum	S
TMPL	temple(s)	an edifice dedicated to religious worship	S
AIRT	terminal	airport facilities for the handling of freight and passengers	S
TRR	terrace	a long, narrow alluvial platform bounded by steeper slopes above and below, usually overlooking a waterbody	T
TERR	territory	territory	A
ADM3	third-order administrative division	a subdivision of a second-order administrative division	A
CRKT	tidal creek(s)	a meandering channel in a coastal wetland subject to bi-directional tidal currents	H
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
MNSN	tin mine(s)	a mine where tin ore is extracted	S
TOLL	toll gate/barrier	highway toll collection station	S
TMB	tomb(s)	a structure for interring bodies	S
TOWR	tower	a high conspicuous structure, typically much higher than its diameter	S
RDCR	traffic circle	a road junction formed around a central circle about which traffic moves in one direction only	S
TRL	trail	a path, track, or route used by pedestrians, animals, or off-road vehicles	R
TRANT	transit terminal	facilities for the handling of vehicular freight and passengers	S
TREE	tree(s)	a conspicuous tree used as a landmark	V
TRIG	triangulation station	a point on the earth whose position has been determined by triangulation	S
TRB	tribal area	a tract of land used by nomadic or other tribes	L
TUND	tundra	a marshy, treeless, high latitude plain, dominated by mosses, lichens, and low shrub vegetation under permafrost conditions	V
TNL	tunnel	a subterranean passageway for transportation	R
TNLS	tunnels	subterranean passageways for transportation	R
CNLSB	underground irrigation canal(s)	a gently inclined underground tunnel bringing water for irrigation from aquifers	H
LKSB	underground lake	a standing body of water in a cave	H
APNU	undersea apron	a gentle slope, with a generally smooth surface, particularly found around groups of islands and seamounts	U
ARCU	undersea arch	a low bulge around the southeastern end of the island of Hawaii	U
ARRU	undersea arrugado	an area of subdued corrugations off Baja California	U
BNKU	undersea bank	an elevation, typically located on a shelf, over which the depth of water is relatively shallow but sufficient for safe surface navigation	U
BKSU	undersea banks	elevations, typically located on a shelf, over which the depth of water is relatively shallow but sufficient for safe surface navigation	U
BSNU	undersea basin	a depression more or less equidimensional in plan and of variable extent	U
BNCU	undersea bench	a small terrace	U
BDLU	undersea 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
CNYU	undersea canyon	a relatively narrow, deep depression with steep sides, the bottom of which generally has a continuous slope	U
CNSU	undersea canyons	relatively narrow, deep depressions with steep sides, the bottom of which generally has a continuous slope	U
CDAU	undersea cordillera	an entire mountain system including the subordinate ranges, interior plateaus, and basins	U
ESCU	undersea escarpment (or scarp)	an elongated and comparatively steep slope separating flat or gently sloping areas	U
FANU	undersea fan	a relatively smooth feature normally sloping away from the lower termination of a canyon or canyon system	U
FLTU	undersea flat	a small level or nearly level area	U
FRKU	undersea fork	a branch of a canyon or valley	U
FRSU	undersea forks	a branch of a canyon or valley	U
FRZU	undersea fracture zone	an extensive linear zone of irregular topography of the sea floor, characterized by steep-sided or asymmetrical ridges, troughs, or escarpments	U
FURU	undersea furrow	a closed, linear, narrow, shallow depression	U
GAPU	undersea gap	a narrow break in a ridge or rise	U
GLYU	undersea gully	a small valley-like feature	U
HLLU	undersea hill	an elevation rising generally less than 500 meters	U
HLSU	undersea hills	elevations rising generally less than 500 meters	U
HOLU	undersea hole	a small depression of the sea floor	U
KNLU	undersea knoll	an elevation rising generally more than 500 meters and less than 1,000 meters and of limited extent across the summit	U
KNSU	undersea knolls	elevations rising generally more than 500 meters and less than 1,000 meters and of limited extent across the summits	U
LDGU	undersea ledge	a rocky projection or outcrop, commonly linear and near shore	U
LEVU	undersea levee	an embankment bordering a canyon, valley, or seachannel	U
MDVU	undersea median valley	the axial depression of the mid-oceanic ridge system	U
MESU	undersea mesa	an isolated, extensive, flat-topped elevation on the shelf, with relatively steep sides	U
MOTU	undersea moat	an annular depression that may not be continuous, located at the base of many seamounts, islands, and other isolated elevations	U
MNDU	undersea mound	a low, isolated, rounded hill	U
MTU	undersea mountain	a well-delineated subdivision of a large and complex positive feature	U
MTSU	undersea mountains	well-delineated subdivisions of a large and complex positive feature	U
PKU	undersea peak	a prominent elevation, part of a larger feature, either pointed or of very limited extent across the summit	U
PKSU	undersea peaks	prominent elevations, part of a larger feature, either pointed or of very limited extent across the summit	U
PNLU	undersea pinnacle	a high tower or spire-shaped pillar of rock or coral, alone or cresting a summit	U
PLNU	undersea plain	a flat, gently sloping or nearly level region	U
PLTU	undersea plateau	a comparatively flat-topped feature of considerable extent, dropping off abruptly on one or more sides	U
PLFU	undersea platform	a flat or gently sloping underwater surface extending seaward from the shore	U
PRVU	undersea province	a region identifiable by a group of similar physiographic features whose characteristics are markedly in contrast with surrounding areas	U
RMPU	undersea ramp	a gentle slope connecting areas of different elevations	U
RNGU	undersea range	a series of associated ridges or seamounts	U
RAVU	undersea ravine	a small canyon	U
RFU	undersea reef	a surface-navigation hazard composed of consolidated material	U
RFSU	undersea reefs	surface-navigation hazards composed of consolidated material	U
RDGU	undersea ridge	a long narrow elevation with steep sides	U
RDSU	undersea ridges	long narrow elevations with steep sides	U
RISU	undersea rise	a broad elevation that rises gently, and generally smoothly, from the sea floor	U
SDLU	undersea saddle	a low part, resembling in shape a saddle, in a ridge or between contiguous seamounts	U
SHFU	undersea 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
EDGU	undersea 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
SHVU	undersea shelf valley	a valley on the shelf, generally the shoreward extension of a canyon	U
SHLU	undersea shoal	a surface-navigation hazard composed of unconsolidated material	U
SHSU	undersea shoals	hazards to surface navigation composed of unconsolidated material	U
SILU	undersea sill	the low part of an underwater gap or saddle separating basins, including a similar feature at the mouth of a fjord	U
SLPU	undersea 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
SPRU	undersea spur	a subordinate elevation, ridge, or rise projecting outward from a larger feature	U
TERU	undersea 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
TNGU	undersea tongue	an elongate (tongue-like) extension of a flat sea floor into an adjacent higher feature	U
TRNU	undersea trench	a long, narrow, characteristically very deep and asymmetrical depression of the sea floor, with relatively steep sides	U
TRGU	undersea trough	a long depression of the sea floor characteristically flat bottomed and steep sided, and normally shallower than a trench	U
VALU	undersea valley	a relatively shallow, wide depression, the bottom of which usually has a continuous gradient	U
VLSU	undersea valleys	a relatively shallow, wide depression, the bottom of which usually has a continuous gradient	U
USGE	United States Government Establishment	a facility operated by the United States Government in Panama	S
UPLD	upland	an extensive interior region of high land with low to moderate surface relief	T
VAL	valley	an elongated depression usually traversed by a stream	T
VALS	valleys	elongated depressions usually traversed by a stream	T
VETF	veterinary facility	a building or camp at which veterinary services are available	S
VIN	vineyard	a planting of grapevines	V
VINS	vineyards	plantings of grapevines	V
VLC	volcano	a conical elevation composed of volcanic materials with a crater at the top	T
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
WADB	wadi bend	a conspicuously curved or bent segment of a wadi	H
WADJ	wadi junction	a place where two or more wadies join	H
WADM	wadi mouth	the lower terminus of a wadi where it widens into an adjoining floodplain, depression, or waterbody	H
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
WALL	wall	a thick masonry structure, usually enclosing a field or building, or forming the side of a structure	S
MLWTR	water mill	a mill powered by running water	S
PMPW	water pumping station	a facility for pumping water from a major well or through a pipeline	S
RSVT	water tank	a contained pool or tank of water at, below, or above ground level	H
WTRC	watercourse	a natural, well-defined channel produced by flowing water, or an artificial channel designed to carry flowing water	H
FLLS	waterfall(s)	a perpendicular or very steep descent of the water of a stream	H
WTRH	waterhole(s)	a natural hole, hollow, or small depression that contains water, used by man and animals, especially in arid areas	H
WTRW	waterworks	a facility for supplying potable water through a water source and a system of pumps and filtration beds	S
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
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
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
WTLD	wetland	an area subject to inundation, usually characterized by bog, marsh, or swamp vegetation	H
STNW	whaling station	a facility for butchering whales and processing train oil	S
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
WHRL	whirlpool	a turbulent, rotating movement of water in a stream	H
RESW	wildlife reserve	a tract of public land reserved for the preservation of wildlife	L
MLWND	windmill	a mill or water pump powered by wind	S
WRCK	wreck	the site of the remains of a wrecked vessel	S
ZN	zone	zone	A
ZOO	zoo	a zoological garden or park where wild animals are kept for exhibition	S