Table 5.10 -- EDCS Classifications whose label begins with G
| Label | Definition | Related concepts | Code |
| GALLERY | A sunken or cut passageway along a transportation route in mountainous regions constructed to protect vehicles from the elements; a series of openings on one side may be present for light or ventilation. | EC ROCK_SHED, EC SNOW_SHED | 339 |
| GANTRY | A frame structure raised on side supports so as to span over or around something. | EC DISPLAY_SIGN | 340 |
| GATE | A barrier that controls passage, e.g., to a road, railroad, tunnel, pathway, or bridge. | 341 | |
| GAUGING_STATION | A device that monitors stream flow. | 342 | |
| GEODETIC_POINT | A physical point on the terrain surface having a surveyed position, e.g., trig points. | 343 | |
| GEOGRAPHIC_INFORMATION | A location or region where geographic information or statistics may apply. | 344 | |
| GEOPHYSICAL_DATA_GRID | A grid established for the collection of geophysical data within a region. | 345 | |
| GEOTHERMAL_OBJECT | A localized terrain surface object controlled by, or derived from, the heat of the planetary interior. | 346 | |
| GLACIER | A large mass of land-based snow and ice moving slowly down a slope or valley from above the snowline. | 347 | |
| GLADE | A tract of land with few or no trees in the middle of a wooded region, e.g., a clearing or glade. | EC FOREST, EC TREED_TRACT | 348 |
| GMAGFLD_STRENGTH_CHARSET | A set of characteristics of a planetary magnetic field, e.g., the Kp. | 349 | |
| GMAGFLD_SURFACE_CHARSET | A set of characteristics of a planetary magnetic field near the terrain surface, e.g., declination, inclination, or intensity. | EC MAGNETIC_DISTURBANCE, EC MAGNETIC_POLE | 350 |
| GOLF_COURSE | A tract of land laid out for playing the game of golf. | 351 | |
| GOLF_DRIVING_RANGE | A parcel or tract of land used for practicing golf shots. | 352 | |
| GORGE | A deep, narrow passage in the ground with steep rocky sides; a ravine or narrow canyon not necessarily caused by erosion. | EC FAULT, EC GULLY | 353 |
| GOVERNMENT_BUILDING | A building devoted to the act or process of administration of public policy in a political unit. | EC ADMINISTRATION_BUILDING | 354 |
| GOVERNMENT_COMPLEX | A site and associated buildings devoted to the act or process of governing. | EC GOVERNMENT_BUILDING | 355 |
| GRADATION_WORKS | A trestle covered with twigs over which brine trickles and is concentrated through increased evaporation. | 356 | |
| GRAIN_ELEVATOR | A tall structure, equipped for loading, unloading, processing, and/or storing grain. | 357 | |
| GRAIN_STORAGE_STRUCTURE | An enclosed container, used for storing grain or fodder, e.g., a grain bin or silo. | 358 | |
| GRANDSTAND | A usually roofed structure for special viewing of outdoor events and having tiers of seats or standing room for spectators. | 359 | |
| GRASS_LAND | A tract of land covered by uncultured plants that have little or no woody tissue, e.g., grass. | 360 | |
| GRAVE_MARKER | A marker indicating an individual gravesite. | EC CAIRN, EC MONUMENT | 361 |
| GREENHOUSE | A building, primarily of glass, in which temperature and humidity can be controlled for the cultivation or protection of plants. | EC AGRICULTURAL_FACILITY | 362 |
| GRIDIRON | A flat frame structure, usually of parallel timber baulks, erected on the foreshore so that a vessel may dry out on it for painting or repair at low water. | 363 | |
| GROIN | A structure which normally projects outward from a shoreline and which protects a beach from erosion by disrupting the alongshore movement of sand and other sediments, not by preventing waves from reaching the shoreline. | EC BREAKWATER, EC JETTY, EC MARITIME_MOLE | 364 |
| GROUND_SURFACE_ELEMENT | A surface soil characteristic of the terrain. | 365 | |
| GROUND_VEHICLE | A vehicle capable of operation only on, or under, land. | 366 | |
| GUARD_HOUSE | A building that accommodates a guard, which is sometimes used as a jail for the detention of military individuals guilty of minor offences or awaiting trial. | EC GUARD_ROOM | 367 |
| GUARD_ROOM | A small enclosed building accommodating a guard. | 368 | |
| GUARD_TOWER | An elevated enclosed building accommodating one or more guards. | EC GUARD_ROOM | 369 |
| GULF | A large expanse of a sea or ocean partially enclosed by land, especially a long landlocked portion of sea opening through a strait. | EC OCEAN, EC SEA | 370 |
| GULLY | A deep ditch or channel cut in the ground by running water after a prolonged downpour (erosion induced). | EC GORGE | 371 |
| GULLY_OR_GORGE | A long, narrow, deep erosion with steep banks. May be further delineated specifically as EC GULLY or EC GORGE. | 372 |