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GIS Home > Data > Finding Aids > GeoNet Names

NGA GeoNet Designations:  Their Codes and Definitions

Index sorted by designation codes

A  ] [  B  ] [  C  ] [  D  ] [  E  ] [  F  ] [  G  ] [  H  ] [  I  ] [  J  ] [  K  ] [  L  ] [  M  ] [  N  ] [  O  ] [  P  ] [  Q  ] [  R  ] [  S  ] [  T  ] [  U  ] [  V  ] [  W  ] [ X ] [ Y ] [  Z  ]

Designation Code  Designation Designation Definition

- A -

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ADM1  first-order administrative division  a primary administrative division of a country, such as a state in the United States 
ADM2  second-order administrative division  a subdivision of a first-order administrative division 
ADM3  third-order administrative division  a subdivision of a second-order administrative division 
ADM4  fourth-order administrative division  a subdivision of a third-order administrative division 
ADMD  administrative division  an administrative division of a country, undifferentiated as to administrative level 
ADMF  administrative facility  a government building 
AGRC  agricultural colony  a tract of land set aside for agricultural settlement 
AGRF  agricultural facility  a building and/or tract of land used for improving agriculture 
AIRB  airbase  an area used to store supplies, provide barracks for air force personnel, hangers and runways for aircraft, and from which operations are initiated 
AIRF  airfield  a place on land where aircraft land and take off; no facilities provided for the commercial handling of passengers and cargo 
AIRH  heliport  a place where helicopters land and take off 
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 
AIRQ  abandoned airfield 
AIRS  seaplane landing area  a place on a waterbody where floatplanes land and take off 
AMTH  amphitheater  an oval or circular structure with rising tiers of seats about a stage or open space 
ANCH  anchorage  an area where vessels may anchor 
ANS  ancient site  a place where archeological remains, old structures, or cultural artifacts are located 
APNU  apron  a gentle slope, with a generally smooth surface, particularly found around groups of islands and seamounts [Undersea Feature] 
ARCH  arch  a natural or man-made structure in the form of an arch 
AREA  area  a tract of land without homogeneous character or boundaries 
ARRU  arrugado  an area of subdued corrugations off Baja California [Undersea Feature, refers to the Guadalupe Arrugado; not to be applied to new features] 
ASPH  asphalt lake  a small basin containing naturally occurring asphalt 
ASTR  astronomical station  a point on the earth whose position has been determined by observations of celestial bodies 
ASYL  asylum  a facility where the insane are cared for and protected 
ATHF  athletic field  a tract of land used for playing team sports, and athletic track and field events 
ATOL  atoll(s)  a ring-shaped coral reef which has closely spaced islands on it encircling a lagoon 

- B -

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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 
BAY  bay  a coastal indentation between two capes or headlands, larger than a cove but smaller than a gulf 
BAYS  bays  coastal indentations between two capes or headlands, larger than a cove but smaller than a gulf 
BCH  beach  a shore zone of coarse unconsolidated sediment that extends from the low-water line to the highest reach of storm waves 
BCHS  beaches  a shore zone of coarse unconsolidated sediment that extends from the low-water line to the highest reach of storm waves 
BCN  beacon  a fixed artificial navigation mark 
BDG  bridge  a structure erected across an obstacle such as a stream, road, etc., in order to carry roads, railroads, and pedestrians across 
BDGQ  ruined bridge  a destroyed or decayed bridge which is no longer functional 
BDLD  badlands  an area characterized by a maze of very closely spaced, deep, narrow, steep-sided ravines, and sharp crests and pinnacles 
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 [Undersea Feature] 
BGHT  bight(s)  an open body of water forming a slight recession in a coastline 
BKSU  banks  elevations, typically located on a shelf, over which the depth of water is relatively shallow but sufficient for safe surface navigation [Undersea Feature, 20m or more deep] 
BLDG  building(s)  a structure built for permanent use, as a house, factory, etc. 
BLDR  boulder field  a high altitude or high latitude bare, flat area covered with large angular rocks 
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 
BLOW  blowout(s)  a small depression in sandy terrain, caused by wind erosion 
BNCH  bench  a long, narrow bedrock platform bounded by steeper slopes above and below, usually overlooking a waterbody 
BNCU  bench  a small terrace [Undersea Feature] 
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 
BNKR  stream bank  a sloping margin of a stream channel which normally confines the stream to its channel on land 
BNKU  bank  an elevation, typically located on a shelf, over which the depth of water is relatively shallow but sufficient for safe surface navigation [Undersea Feature, 20m or more deep] 
BNKX  section of bank 
BOG  bog(s)  a wetland characterized by peat forming sphagnum moss, sedge, and other acid-water plants 
BP  boundary marker  a fixture marking a point along a boundary 
BRKS  barracks  a building for lodging military personnel 
BRKW  breakwater  a structure erected to break the force of waves at the enterance to a harbor or port 
BSND  drainage basin  the area drained by a stream 
BSNP  petroleum basin  an area underlain by an oil-rich structural basin 
BSNU  basin  a depression more or less equidimensional in plan and of variable extent [Undersea Feature] 
BSTN  baling station  a facility for baling agricultural products 
BTL  battlefield  the site of a land battle of historical importance 
BTYD  boatyard  a waterside facility for servicing, repairing, and building small vessels 
BUR  burial cave(s)  a cave used for human burials 
BUSH  bush(es)  a small clump of conspicuous bushes in an otherwise bare area 
BUTE  butte(s)  a small, isolated, usually flat-topped hill with steep sides 

- C -

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CAPE  cape  a land area more prominent than a point, projecting into the sea and marking a notable change in coastal direction 
CAPG  icecap  a dome-shaped mass of glacial ice covering an area of mountain summits or other high lands; smaller than an ice sheet 
CARN  cairn  a heap of stones erected as a landmark or for other purposes 
CAVE  cave(s)  an underground passageway or chamber, or cavity on the side of a cliff 
CDAU  cordillera  an entire mountain system including the subordinate ranges, interior plateaus, and basins [Undersea Feature] 
CFT  cleft(s)  a deep narrow slot, notch, or groove in a coastal cliff 
CH  church  a building for public Christian worship 
CHN  channel  the deepest part of a stream, bay, lagoon, or strait, through which the main current flows 
CHNL  lake channel(s)  that part of a lake having water deep enough for navigation between islands, shoals, etc. 
CHNM  marine channel  that part of a body of water deep enough for navigation through an area otherwise not suitable 
CHNN  navigation channel  a buoyed channel of sufficient depth for the safe navigation of vessels 
CLDA  caldera  a depression measuring kilometers across formed by the collapse of a volcanic mountain 
CLF  cliff(s)  a high, steep to perpendicular slope overlooking a waterbody or lower area 
CLG  clearing  an area in a forest with trees removed 
CMN  common  a park or pasture for community use 
CMP  camp(s)  a site occupied by tents, huts, or other shelters for temporary use 
CMPL  logging camp  a camp used by loggers 
CMPLA  labor camp  a camp used by migrant or temporary laborers 
CMPMN  mining camp  a camp used by miners 
CMPO  oil camp  a camp used by oilfield workers 
CMPQ  abandoned camp 
CMPRF  refugee camp  a camp used by refugees 
CMTY  cemetery  a burial place or ground 
CNFL  confluence  a place where two or more streams or intermittent streams flow together 
CNL  canal  an artificial watercourse 
CNLA  aqueduct  a conduit used to carry water 
CNLB  canal bend  a conspicuously curved or bent section of a canal 
CNLD  drainage canal  an artificial waterway carrying water away from a wetland or from drainage ditches 
CNLI  irrigation canal  a canal which serves as a main conduit for irrigation water 
CNLN  navigation canal(s)  a watercourse constructed for navigation of vessels 
CNLQ  abandoned canal 
CNLSB  underground irrigation canal(s)  a gently inclined underground tunnel bringing water for irrigation from aquifers 
CNLX  section of canal 
CNS  concession area  a lease of land by a government for economic development, e.g., mining, forestry 
CNSU  canyons  relatively narrow, deep depressions with steep sides, the bottom of which generally has a continuous slope [Undersea Feature] 
CNYN  canyon  a deep, narrow valley with steep sides cutting into a plateau or mountainous area 
CNYU  canyon  a relatively narrow, deep depression with steep sides, the bottom of which generally has a continuous slope [Undersea Feature] 
COLF  coalfield  a region in which coal deposits of possible economic value occur 
COMC  communication center  a facility, including buildings, antennae, towers and electronic equipment for receiving and transmitting information 
CONE  cone(s)  a conical landform composed of mud or volcanic material 
COVE  cove(s)  a small coastal indentation, smaller than a bay 
CRDR  corridor  a strip or area of land having significance as an access way 
CRKT  tidal creek(s)  a meandering channel in a coastal wetland subject to bi-directional tidal currents 
CRNT  current  a horizontal flow of water in a given direction with uniform velocity 
CRQ  cirque  a bowl-like hollow partially surrounded by cliffs or steep slopes at the head of a glaciated valley 
CRQS  cirques  bowl-like hollows partially surrounded by cliffs or steep slopes at the head of a glaciated valley 
CRRL  corral(s)  a pen or enclosure for confining or capturing animals 
CRSU  continental rise  a gentle slope rising from oceanic depths towards the foot of a continental slope [Undersea Feature] 
CRTR  crater(s)  a generally circular saucer or bowl-shaped depression caused by volcanic or meteorite explosive action 
CSNO  casino  a building used for entertainment, especially gambling 
CST  coast  a zone of variable width straddling the shoreline 
CSTL  castle  a large fortified building or set of buildings 
CSTM  customs house  a building in a port where customs and duties are paid, and where vessels are entered and cleared 
CSWY  causeway  a raised roadway across wet ground or shallow water 
CSWYQ  former causeway  a causeway no longer used for transportation 
CTHSE  courthouse  a building in which courts of law are held 
CTRA  atomic center  a facility where atomic research is carried out 
CTRB  business center  a place where a number of businesses are located 
CTRCM  community center  a facility for community recreation and other activities 
CTRF  facility center  a place where more than one facility is situated 
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. 
CTRR  religious center  a facility where more than one religious activity is carried out, e.g., retreat, school, monastery, worship 
CTRS  space center  a facility for launching, tracking, or controlling satellites and space vehicles 
CUET  cuesta(s)  an asymmetric ridge formed on tilted strata 
CULT  cultivated area  an area under cultivation 
CUTF  cutoff  a channel formed as a result of a stream cutting through a meander neck 
CVNT  convent  a building where a community of nuns lives in seclusion 

- D -

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DAM  dam  a barrier constructed across a stream to impound water 
DAMQ  ruined dam  a destroyed or decayed dam which is no longer functional 
DAMSB  sub-surface dam  a dam put down to bedrock in a sand river 
DARY  dairy  a facility for the processing, sale and distribution of milk or milk products 
DCK  dock(s)  a waterway between two piers, or cut into the land for the berthing of ships 
DCKB  docking basin  a part of a harbor where ships dock 
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 
DCKY  dockyard  a facility for servicing, building, or repairing ships 
DEPU  deep  a deep hole in a trench [Undersea Feature, refers to Challenger Deep, Emden Deep, and Horizon Deep; not to be applied to new features] 
DEVH  housing development  a tract of land on which many houses of similar design are built according to a development plan 
DIKE  dike  an earth or stone embankment usually constructed for flood or stream control 
DLTA  delta  a flat plain formed by alluvial deposits at the mouth of a stream 
DOMG  icecap dome  a comparatively elevated area on an icecap 
DPOF  fuel depot  an area where fuel is stored 
DPR  depression(s)  a low area surrounded by higher land and usually characterized by interior drainage 
DPRG  icecap depression  a comparatively depressed area on an icecap 
DSRT  desert  a large area with little or no vegetation due to extreme environmental conditions 
DTCH  ditch  a small artificial watercourse dug for draining or irrigating the land 
DTCHD  drainage ditch  a ditch which serves to drain the land 
DTCHI  irrigation ditch  a ditch which serves to distribute irrigation water 
DTCHM  ditch mouth(s)  an area where a drainage ditch enters a lagoon, lake or bay 
DUNE  dune(s)  a wave form, ridge or star shape feature composed of sand 
DVD  divide  a line separating adjacent drainage basins 

- E -

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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 
ERG  sandy desert  an extensive tract of shifting sand and sand dunes 
ESCU  escarpment (or scarp)  an elongated and comparatively steep slope separating flat or gently sloping areas [Undersea Feature] 
EST  estate(s)  a large commercialized agricultural landholding with associated buildings and other facilities 
ESTB  banana plantation  an estate that specializes in the growing of bananas 
ESTC  cotton plantation  an estate specializing in the cultivation of cotton 
ESTO  oil palm plantation  an estate specializing in the cultivation of oil palm trees 
ESTR  rubber plantation  an estate which specializes in growing and tapping rubber trees 
ESTSG  sugar plantation  an estate that specializes in growing sugar cane 
ESTSL  sisal plantation  an estate that specializes in growing sisal 
ESTT  tea plantation  an estate which specializes in growing tea bushes 
ESTX  section of estate 
ESTY  estuary  a funnel-shaped stream mouth or embayment where fresh water mixes with sea water under tidal influences 

- F -

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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 
FANU  fan  a relatively smooth feature normally sloping away from the lower termination of a canyon or canyon system [Undersea Feature] 
FCL  facility  a building or buildings housing a center, institute, foundation, hospital, prison, mission, courthouse, etc. 
FISH  fishing area  a fishing ground, bank or area where fishermen go to catch fish 
FJD  fjord  a long, narrow, steep-walled, deep-water arm of the sea at high latitudes. Usually along mountainous coasts 
FJDS  fjords  long, narrow, steep-walled, deep-water arms of the sea at high latitudes, usually along mountainous coasts 
FLD  field(s)  an open as opposed to wooded area 
FLDI  irrigated field(s)  a tract of level or terraced land which is irrigated 
FLLS  waterfall(s)  a perpendicular or very steep descent of the water of a stream 
FLLSX  section of waterfall(s) 
FLTM  mud flat(s)  a relatively level area of mud either between high and low tide lines, or subject to flooding 
FLTT  tidal flat(s)  a large flat area of mud or sand attached to the shore and alternately covered and uncovered by the tide 
FLTU  flat  a small level or nearly level area [Undersea Feature] 
FNDY  foundry  a building or works where metal casting is carried out 
FORD  ford  a shallow part of a stream which can be crossed on foot or by land vehicle 
FRKU  fork  a branch of a canyon or valley [Undersea Feature] 
FRM  farm  a tract of land with associated buildings devoted to agriculture 
FRMQ  abandoned farm 
FRMS  farms  tracts of land with associated buildings devoted to agriculture 
FRMT  farmstead  the buildings and adjacent service areas of a farm 
FRST  forest(s)  an area dominated by tree vegetation 
FRSTF  fossilized forest  a forest fossilized by geologic processes and now exposed at the earth's surface 
FRSU  forks  a branch of a canyon or valley [Undersea Feature] 
FRZU  fracture zone  an extensive linear zone of irregular topography of the sea floor, characterized by steep-sided or asymmetrical ridges, troughs, or escarpments [Undersea Feature] 
FSR  fissure  a crack associated with volcanism 
FT  fort  a defensive structure or earthworks 
FURU  furrow  a closed, linear, narrow, shallow depression [Undersea Feature] 
FY  ferry  a boat or other floating conveyance and terminal facilities regularly used to transport people and vehicles across a waterbody 

- G -

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GAP  gap  a low place in a ridge, not used for transportation 
GAPU  gap  a narrow break in a ridge or rise [Undersea Feature] 
GASF  gasfield  an area containing a subterranean store of natural gas of economic value 
GATE  gate  a controlled access entrance or exit 
GDN  garden(s)  an enclosure for displaying selected plant or animal life 
GHSE  guest house  a house used to provide lodging for paying guests 
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 
GLYU  gully  a small valley-like feature [Undersea Feature] 
GOSP  gas-oil separator plant  a facility for separating gas from oil 
GRAZ  grazing area  an area of grasses and shrubs used for grazing 
GRGE  gorge(s)  a short, narrow, steep-sided section of a stream valley 
GRSLD  grassland  an area dominated by grass vegetation 
GRVC  coconut grove  a planting of coconut trees 
GRVE  grave  a burial site 
GRVO  olive grove  a planting of olive trees 
GRVP  palm grove  a planting of palm trees 
GRVPN  pine grove  a planting of pine trees 
GULF  gulf  a large recess in the coastline, larger than a bay 
GVL  gravel area  an area covered with gravel 
GYSR  geyser  a type of hot spring with intermittent eruptions of jets of hot water and steam 

- H -

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HBR  harbor(s)  a haven or space of deep water so sheltered by the adjacent land as to afford a safe anchorage for ships 
HBRX  section of harbor 
HDLD  headland  a high projection of land extending into a large body of water beyond the line of the coast 
HERM  hermitage  a secluded residence, usually for religious sects 
HLL  hill  a rounded elevation of limited extent rising above the surrounding land with local relief of less than 300m 
HLLS  hills  rounded elevations of limited extent rising above the surrounding land with local relief of less than 300m 
HLLU  hill  an elevation rising generally less than 500 meters [Undersea Feature] 
HLSU  hills  elevations rising generally less than 500 meters [Undersea Feature] 
HLT  halting place  a place where caravans stop for rest 
HMCK  hammock(s)  a patch of ground, distinct from and slightly above the surrounding plain or wetland. Often occurs in groups 
HMDA  rock desert  a relatively sand-free high bedrock plateau in a hot desert, with or without a gravel veneer 
HOLU  hole  a small depression of the sea floor [Undersea Feature] 
HSE  house(s)  a building used as a human habitation 
HSEC  country house  a large house, mansion, or chateau, on a large estate 
HSP  hospital  a building in which sick or injured, especially those confined to bed, are medically treated 
HSPC  clinic  a medical facility associated with a hospital for outpatients 
HSPD  dispensary  a building where medical or dental aid is dispensed 
HSPL  leprosarium  an asylum or hospital for lepers 
HSTS  historical site  a place of historical importance 
HTH  heath  an upland moor or sandy area dominated by low shrubby vegetation including heather 
HTL  hotel  a building providing lodging and/or meals for the public 
HUT  hut  a small primitive house 
HUTS  huts  small primitive houses 

- I -

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INDS  industrial area  an area characterized by industrial activity 
INLT  inlet  a narrow waterway extending into the land, or connecting a bay or lagoon with a larger body of water 
INLTQ  former inlet  an inlet which has been filled in, or blocked by deposits 
INSM  military installation  a facility for use of and contol by armed forces 
INTF  interfluve  a relatively undissected upland between adjacent stream valleys 
ISL  island  a tract of land, smaller than a continent, surrounded by water at high water 
ISLF  artificial island  an island created by landfill or diking and filling in a wetland, bay, or lagoon 
ISLM  mangrove island  a mangrove swamp surrounded by a waterbody 
ISLS  islands  tracts of land, smaller than a continent, surrounded by water at high water 
ISLT  land-tied island  a coastal island connected to the mainland by barrier beaches, levees or dikes 
ISLX  section of island 
ISTH  isthmus  a narrow strip of land connecting two larger land masses and bordered by water 
ITTR  research institute  a facility where research is carried out 

- J -

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JTY  jetty  a structure built out into the water at a river mouth or harbor entrance to regulate currents and silting 

- K -

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KNLU  knoll  an elevation rising generally more than 500 meters and less than 1,000 meters and of limited extent across the summit [Undersea Feature] 
KNSU  knolls  elevations rising generally more than 500 meters and less than 1,000 meters and of limited extent across the summits [Undersea Feature] 
KRST  karst area  a distinctive landscape developed on soluble rock such as limestone characterized by sinkholes, caves, disappearing streams, and underground drainage 

- L -

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LAND  Arctic land  a tract of land in the Arctic 
LAVA  lava area  an area of solidified lava 
LBED  lake bed(s)  a dried up or drained area of a former lake 
LCTY  locality  a minor area or place of unspecified or mixed character and indefinite boundaries 
LDGU  ledge  a rocky projection or outcrop, commonly linear and near shore [Undersea Feature] 
LDNG  landing  a place where boats receive or discharge passengers and freight, but lacking most port facilities 
LEPC  leper colony  a settled area inhabited by lepers in relative isolation 
LEV  levee  a natural low embankment bordering a distributary or meandering stream; often built up artificially to control floods 
LEVU  levee  an embankment bordering a canyon, valley, or seachannel [Undersea Feature] 
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 
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 
LGNX  section of lagoon 
LK  lake  a large inland body of standing water 
LKC  crater lake  a lake in a crater or caldera 
LKI  intermittent lake 
LKN  salt lake  an inland body of salt water with no outlet 
LKNI  intermittent salt lake 
LKO  oxbow lake  a crescent-shaped lake commonly found adjacent to meandering streams 
LKOI  intermittent oxbow lake 
LKS  lakes  large inland bodies of standing water 
LKSB  underground lake  a standing body of water in a cave 
LKSC  crater lakes  lakes in a crater or caldera 
LKSI  intermittent lakes 
LKSN  salt lakes  inland bodies of salt water with no outlet 
LKSNI  intermittent salt lakes 
LKX  section of lake 
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 
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 
LTHSE  lighthouse  a distinctive structure exhibiting a major navigation light 

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MAR  marina  a harbor facility for small boats, yachts, etc. 
MDVU  median valley  the axial depression of the mid-oceanic ridge system [Undersea Feature] 
MDW  meadow  a small, poorly drained area dominated by grassy vegetation 
MESA  mesa(s)  a flat-topped, isolated elevation with steep slopes on all sides, less extensive that a plateau 
MESU  mesa  an isolated, extensive, flat-topped elevation on the shelf, with relatively steep sides [Undersea Feature] 
MFG  factory  one or more buildings where goods are manufactured, processed or fabricated 
MFGB  brewery  one or more buildings where beer is brewed 
MFGC  cannery  a building where food items are canned 
MFGCU  copper works  a facility for processing copper ore 
MFGLM  limekiln  a furnace in which limestone is reduced to lime 
MFGM  munitions plant  a factory where ammunition is made 
MFGN  salt evaporation ponds  diked salt ponds used in the production of solar evaporated salt 
MFGPH  phosphate works  a facility for producing fertilizer 
MFGQ  abandoned factory 
MFGSG  sugar refinery  a facility for converting raw sugar into refined sugar 
MGV  mangrove swamp  a tropical tidal mud flat characterized by mangrove vegetation 
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 
MKT  market  a place where goods are bought and sold at regular intervals 
ML  mill(s)  a building housing machines for transforming, shaping, finishing, grinding, or extracting products 
MLM  ore treatment plant  a facility for improving the metal content of ore by concentration 
MLO  olive oil mill  a mill where oil is extracted from olives 
MLSG  sugar mill  a facility where sugar cane is processed into raw sugar 
MLSGQ  former sugar mill  a sugar mill no longer used as a sugar mill 
MLSW  sawmill  a mill where logs or lumber are sawn to specified shapes and sizes 
MLWND  windmill  a mill or water pump powered by wind 
MLWTR  water mill  a mill powered by running water 
MN  mine(s)  a site where mineral ores are extracted from the ground by excavating surface pits and subterranean passages 
MNA  mining area  an area of mine sites where minerals and ores are extracted 
MNAU  gold mine(s)  a mine where gold ore, or alluvial gold is extracted 
MNC  coal mine(s)  a mine where coal is extracted 
MNCR  chrome mine(s)  a mine where chrome ore is extracted 
MNCU  copper mine(s)  a mine where copper ore is extracted 
MND  mound(s)  a low, isolated, rounded hill 
MNDT  diatomite mine(s)  a place where diatomaceous earth is extracted 
MNDU  mound  a low, isolated, rounded hill [Undersea Feature] 
MNFE  iron mine(s)  a mine where iron ore is extracted 
MNMT  monument  a commemorative structure or statue 
MNN  salt mine(s)  a mine from which salt is extracted 
MNNI  nickel mine(s)  a mine where nickel ore is extracted 
MNPB  lead mine(s)  a mine where lead ore is extracted 
MNPL  placer mine(s)  a place where heavy metals are concentrated and running water is used to extract them from unconsolidated sediments 
MNQ  abandoned mine 
MNQR  quarry(-ies)  a surface mine where building stone or gravel and sand, etc. are extracted 
MNSN  tin mine(s)  a mine where tin ore is extracted 
MOLE  mole  a massive structure of masonry or large stones serving as a pier or breakwater 
MOOR  moor(s)  an area of open ground overlaid with wet peaty soils 
MOTU  moat  an annular depression that may not be continuous, located at the base of many seamounts, islands, and other isolated elevations [Undersea Feature] 
MRN  moraine  a mound, ridge, or other accumulation of glacial till 
MRSH  marsh(es)  a wetland dominated by grass-like vegetation 
MRSHN  salt marsh  a flat area, subject to periodic salt water inundation, dominated by grassy salt-tolerant plants 
MSQE  mosque  a building for public Islamic worship 
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 
MSSNQ  abandoned mission 
MSTY  monastery  a building and grounds where a community of monks lives in seclusion 
MT  mountain  an elevation standing high above the surrounding area with small summit area, steep slopes and local relief of 300m or more 
MTS  mountains  a mountain range or a group of mountains or high ridges 
MTSU  mountains  a well-delineated subdivision of a large and complex positive feature [Undersea Feature] 
MTU  mountain  a well-delineated subdivision of a large and complex positive feature [Undersea Feature] 
MUS  museum  a building where objects of permanent interest in one or more of the arts and sciences are preserved and exhibited 
MVA  maneuver area  a tract of land where military field exercises are carried out 

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NKM  meander neck  a narrow strip of land between the two limbs of a meander loop at its narrowest point 
NOV  novitiate  a religious house or school where novices are trained 
NRWS  narrows  a navigable narrow part of a bay, strait, river, etc. 
NSY  nursery(-ies)  a place where plants are propagated for transplanting or grafting 
NTK  nunatak  a rock or mountain peak protruding through glacial ice 
NTKS  nunataks  rocks or mountain peaks protruding through glacial ice 
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 

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OAS  oasis(-es)  an area in a desert made productive by the availability of water 
OBPT  observation point  a wildlife or scenic observation point 
OBS  observatory  a facility equipped for observation of atmospheric or space phenomena 
OBSR  radio observatory  a facility equipped with an array of antennae for receiving radio waves from space 
OCH  orchard(s)  a planting of fruit or nut trees 
OCN  ocean  one of the major divisions of the vast expanse of salt water covering part of the earth 
OILF  oilfield  an area containing a subterranean store of petroleum of economic value 
OILJ  oil pipeline junction  a section of an oil pipeline where two or more pipes join together 
OILP  oil pipeline  a pipeline used for transporting oil 
OILQ  abandoned oil well 
OILR  oil refinery  a facility for converting crude oil into refined petroleum products 
OILT  tank farm  a tract of land occupied by large, cylindrical, metal tanks in which oil or liquid petrochemicals are stored 
OILW  oil well  a well from which oil may be pumped 
OVF  overfalls  an area of breaking waves caused by the meeting of currents or by waves moving against the current 

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PAL  palace  a large stately house, often a royal or presidential residence 
PAN  pan  a near-level shallow, natural depression or basin, usually containing an intermittent lake, pond, or pool 
PANS  pans  a near-level shallow, natural depression or basin, usually containing an intermittent lake, pond, or pool 
PASS  pass  a break in a mountain range or other high obstruction, used for transportation from one side to the other 
PCL  political entity 
PCLD  dependent political entity 
PCLF  freely associated state 
PCLI  independent political entity 
PCLIX  section of independent political entity 
PCLS  semi-independent political entity 
PEAT  peat cutting area  an area where peat is harvested 
PEN  peninsula  an elongate area of land projecting into a body of water and nearly surrounded by water 
PENX  section of peninsula 
PGDA  pagoda  a tower-like storied structure, usually a Buddhist shrine 
PIER  pier  a structure built out into navigable water on piles providing berthing for ships and recreation 
PK  peak  a pointed elevation atop a mountain, ridge, or other hypsographic feature 
PKLT  parking lot  an area used for parking vehicles 
PKS  peaks  pointed elevations atop a mountain, ridge, or other hypsographic features 
PKSU  peaks  prominent elevations, part of a larger feature, either pointed or of very limited extent across the summit [Undersea Feature] 
PKU  peak  a prominent elevation, part of a larger feature, either pointed or of very limited extent across the summit [Undersea Feature] 
PLAT  plateau  an elevated plain with steep slopes on one or more sides, and often with incised streams 
PLATX  section of plateau 
PLDR  polder  an area reclaimed from the sea by diking and draining 
PLFU  platform  a flat or gently sloping underwater surface extending seaward from the shore [Undersea Feature] 
PLN  plain(s)  an extensive area of comparatively level to gently undulating land, lacking surface irregularities, and usually adjacent to a higher area 
PLNU  plain  a flat, gently sloping or nearly level region [Undersea Feature] 
PLNX  section of plain 
PLTU  plateau  a comparatively flat-topped feature of considerable extent, dropping off abruptly on one or more sides [Undersea Feature] 
PMPO  oil pumping station  a facility for pumping oil through a pipeline 
PMPW  water pumping station  a facility for pumping water from a major well or through a pipeline 
PND  pond  a small standing waterbody 
PNDI  intermittent pond 
PNDN  salt pond  a small standing body of salt water often in a marsh or swamp, usually along a seacoast 
PNDNI  intermittent salt pond(s) 
PNDS  ponds  small standing waterbodies 
PNDSF  fishponds  the ponds or enclosures in which fish are kept or raised 
PNDSI  intermittent ponds 
PNDSN  salt ponds  small standing bodies of salt water often in a marsh or swamp, usually along a seacoast 
PNLU  pinnacle  a high tower or spire-shaped pillar of rock or coral, alone or cresting a summit [Undersea Feature] 
PO  post office  a public building in which mail is received, sorted and distributed 
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 
POOLI  intermittent pool 
PP  police post  a building in which police are stationed 
PPL  populated place  a city, town, village, or other agglomeration of buildings where people live and work 
PPLA  seat of a first-order administrative division  seat of a first-order administrative division (PPLC takes precedence over PPLA) 
PPLC  capital of a political entity 
PPLL  populated locality  an area similar to a locality but with a small group of dwellings or other buildings 
PPLQ  abandoned populated place 
PPLR  religious populated place  a populated place whose population is largely engaged in religious occupations 
PPLS  populated places  cities, towns, villages, or other agglomerations of buildings where people live and work 
PPLW  destroyed populated place  a village, town or city destroyed by a natural disaster, or by war 
PPLX  section of populated place 
PPQ  abandoned police post 
PRK  park  an area, often of forested land, maintained as a place of beauty, or for recreation 
PRKGT  park gate  a controlled access to a park 
PRKHQ  park headquarters  a park administrative facility 
PRMN  promenade  a place for public walking, usually along a beach front 
PRN  prison  a facility for confining prisoners 
PRNJ  reformatory  a facility for confining, training, and reforming young law offenders 
PRNQ  abandoned prison 
PROM  promontory(-ies)  a bluff or prominent hill overlooking or projecting into a lowland 
PRSH  parish  an ecclesiastical district 
PRT  port  a place provided with terminal and transfer facilities for loading and discharging waterborne cargo or passengers, usually located in a harbor 
PRVU  province  a region identifiable by a group of similar physiographic features whose characteristics are markedly in contrast with surrounding areas [Undersea Feature] 
PS  power station  a facility for generating electric power 
PSH  hydroelectric power station  a building where electricity is generated from water power 
PSTB  border post  a post or station at an international boundary for the regulation of movement of people and goods 
PSTC  customs post  a building at an international boundary where customs and duties are paid on goods 
PSTP  patrol post  a post from which patrols are sent out 
PT  point  a tapering piece of land projecting into a body of water, less prominent than a cape 
PTGE  portage  a place where boats, goods, etc., are carried overland between navigable waters 
PTS  points  tapering pieces of land projecting into a body of water, less prominent than a cape 
PYR  pyramid  an ancient massive structure of square ground plan with four triangular faces meeting at a point and used for enclosing tombs 
PYRS  pyramids  ancient massive structures of square ground plan with four triangular faces meeting at a point and used for enclosing tombs 

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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 
QUAY  quay  a structure of solid construction along a shore or bank which provides berthing for ships and which generally provides cargo handling facilities 

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RAVU  ravine  a small canyon [Undersea Feature] 
RCH  reach  a straight section of a navigable stream or channel between two bends 
RD  road  an open way with improved surface for transportation of animals, people and vehicles 
RDA  ancient road  the remains of a road used by ancient cultures 
RDB  road bend  a conspicuously curved or bent section of a road 
RDCUT  road cut  an excavation cut through a hill or ridge for a road 
RDGB  beach ridge  a ridge of sand just inland and parallel to the beach, usually in series 
RDGE  ridge(s)  a long narrow elevation with steep sides, and a more or less continuous crest 
RDGG  icecap ridge  a linear elevation on an icecap 
RDGU  ridge  a long narrow elevation with steep sides [Undersea Feature] 
RDJCT  road junction  a place where two or more roads join 
RDST  roadstead  an open anchorage affording less protection than a harbor 
RDSU  ridges  long narrow elevations with steep sides [Undersea Feature] 
RECG  golf course  a recreation field where golf is played 
RECR  racetrack  a track where races are held 
REG  stony desert  a desert plain characterized by a surface veneer of gravel and stones 
REP  republic 
RES  reserve  a tract of public land reserved for future use or restricted as to use 
RESA  agricultural reserve  a tract of land reserved for agricultural reclamation and/or development 
RESF  forest reserve  a forested area set aside for preservation or controlled use of species or products 
RESH  hunting reserve  a tract of land used primarily for hunting 
RESN  nature reserve  an area reserved for the maintenance of a natural habitat 
RESP  palm tree reserve  an area of palm trees where use is controlled 
RESV  reservation  a tract of land set aside for aboriginal, tribal, or native populations 
RESW  wildlife reserve  a tract of public land reserved for the preservation of wildlife 
RF  reef(s)  a surface-navigation hazard composed of consolidated material 
RFC  coral reef(s)  a surface-navigation hazard composed of coral 
RFSU  reefs  surface-navigation hazards composed of consolidated material [Undersea Feature, less than 20m deep] 
RFU  reef  a surface-navigation hazard composed of consolidated material [Undersea Feature, less than 20m deep] 
RFX  section of reef 
RGN  region  an area distinguished by one or more observable physical or cultural characteristics 
RGNE  economic region  a region of a country established for economic development or for statistical purposes 
RGNL  lake region  a tract of land distinguished by numerous lakes 
RHSE  resthouse  a structure maintained for the rest and shelter of travelers 
RISU  rise  a broad elevation that rises gently, and generally smoothly, from the sea floor [Undersea Feature] 
RJCT  railroad junction  a place where two or more railroad tracks join 
RK  rock  a conspicuous, isolated rocky mass 
RKFL  rockfall  an irregular mass of fallen rock at the base of a cliff or steep slope 
RKRY  rookery  the breeding place of a colony of birds or seals 
RKS  rocks  conspicuous, isolated rocky masses 
RLG  religious site  an ancient site of significant religious importance 
RLGR  retreat  a place of temporary seclusion, especially for religious groups 
RMPU  ramp  a gentle slope connecting areas of different elevations [Undersea Feature] 
RNCH  ranch(es)  a large farm specializing in extensive grazing of livestock 
RNGA  artillery range  a tract of land used for artillery firing practice 
RNGU  range  a series of associated ridges or seamounts [Undersea Feature] 
RPDS  rapids  a turbulent section of a stream associated with a steep, irregular stream bed 
RR  railroad  a permanent twin steel-rail track on which freight and passenger cars move long distances 
RRQ  abandoned railroad 
RSD  railroad siding  a short track parallel to and joining the main track 
RSGNL  railroad signal  a signal at the entrance of a particular section of track governing the movement of trains^M 
RSRT  resort  a specialized facility for vacation, health, or participation sports activities 
RSTN  railroad station  a facility comprising ticket office, platforms, etc. for loading and unloading train passengers and freight 
RSTNQ  abandoned railroad station 
RSTP  railroad stop  a place lacking station facilities where trains stop to pick up and unload passengers and freight 
RSTPQ  abandoned railroad stop 
RSV  reservoir(s)  an artificial pond or lake 
RSVI  intermittent reservoir 
RSVT  water tank  a contained pool or tank of water at, below, or above ground level 
RTE  caravan route  the route taken by caravans 
RUIN  ruin(s)  a destroyed or decayed structure which is no longer functional 
RVN  ravine(s)  a small, narrow, deep, steep-sided stream channel, smaller than a gorge 
RYD  railroad yard  a system of tracks used for the making upof trains, and switching and storing freight cars 

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SALT  salt area  a shallow basin or flat where salt accumulates after periodic inundation 
SAND  sand area  a tract of land covered with sand 
SBED  dry stream bed  a channel formerly containing the water of a stream 
SBKH  sabkha(s)  a salt flat or salt encrusted plain subject to periodic inundation from flooding or high tides 
SCH  school