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Alphabetical index of categories: G

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

Number of information resources is shown in parentheses after each term.

Ga -> gallium (1) gadolinium (5) gage-height monitoring -> stream-gage measurement (137) gage height -> streamflow (157) stream gage monitoring -> stream-gage measurement (137) gaging stations (6) stream gaging stations -> field monitoring stations (2) gallium (1) game management areas -> reserves (6) gamma-ray logging (1) gamma-ray spectrometric surveying -> aeroradiometric surveying (1) garages -> parking sites (1) botanical gardens -> parks (15) gardens -> parks (15) zoological gardens -> parks (15) gas-oil separation plants -> industrial sites (3) gas chromatography (1) dissolved gases (4) greenhouse gases (4) gasfields -> oil fields (1) gas fields -> oil fields (1) gas hydrate resources (8) natural gas resources (96) park gates -> parks (15) gates (manmade) -> transportation features (4) gazetteers (4) Gd -> gadolinium (5) Ge -> germanium (1) gemology -> mineralogy (15) gem resources (5) gene flow -> evolution (1) generating centers -> power generation sites (1) generation sites -> power generation sites (1) power generation sites (1) solar power generation sites -> power generation sites (1) windmill power generation sites -> power generation sites (1) hydroelectric power generation water use -> power generation water use (5) power generation water use (5) thermoelectric power generation water use -> power generation water use (5) gene sequencing -> DNA sequencing (10) genetically engineered organisms (1) genetically modified organisms -> genetically engineered organisms (1) genetic diversity (6) conservation genetics (1) -> biological population management -> genetic diversity genetics (8) genome -> DNA sequencing (10) genotype (2) geochemical anomaly maps (9) -> geochemistry -> maps and atlases geochemical processes (18) geochemical surveys -> chemical analysis (60) geochemistry (176) sediment geochemistry (4) -> unconsolidated deposits -> chemical analysis geochronology (23) geodata -> geospatial datasets (112) geographic boundaries -> administrative and political boundaries (5) geographic coordinate systems -> map coordinate systems (3) geographic information sciences -> geography (159) geographic information system (GIS) datasets -> geospatial datasets (112) geographic information systems (GIS) (23) geographic names (1) species geographic range -> biogeography (73) geography (159) geohistory -> geologic history (42) geohydrology -> hydrogeology (37) geolocation measurement (39) geological features -> physiographic features (237) geological oceanography -> marine geology (52) geologic contacts (3) geologic formations -> bedrock geologic units (12) geologic hazards -> hazards (169) geologic history (42) geologic maps (28) surficial geologic maps (14) -> surficial geologic units -> maps and atlases geologic processes (315) geologic sections -> stratigraphic sections (26) geologic structure (36) geologic time scales (7) bedrock geologic units (12) geologic units -> stratigraphic sections (26) surficial geologic units (17) dynamic geology -> tectonic processes (21) economic geology (160) engineering geology (12) geology (470) glacial geology -> glaciology (8) groundwater geology -> hydrogeology (37) marine geology (52) structural geology (7) engineering geology maps (2) -> maps and atlases -> engineering geology geomagnetic field -> magnetic field (earth) (18) geomagnetics -> magnetic field (earth) (18) geomagnetic storms -> magnetic storms (4) geomagnetism -> magnetic field (earth) (18) fractal geometric methods -> mathematical modeling (97) geomorphology (41) geophysical maps (30) -> maps and atlases -> geophysics geophysical observatories -> science centers (51) geophysics (117) marine geophysics (11) geosciences -> earth sciences (1283) geospatial analysis (28) geospatial data -> geospatial datasets (112) geospatial datasets (112) geostatistics -> statistical analysis (21) geotechnical properties maps (2) -> maps and atlases -> engineering geology geothermal resources (10) geothermics -> heat flow (earth) (1) germanium (1) geysers -> thermal features (6) cotton gins -> industrial sites (3) GIS -> geographic information systems (GIS) (23) GIS datasets -> geospatial datasets (112) GIS services -> web map services (5) glacial geology -> glaciology (8) glaciation (8) glacier features (7) glaciers -> snow and ice cover (19) glaciers -> glacier features (7) glaciology (8) glades -> grasslands (11) glens -> valleys (3) global change -> effects of climate change (34) global climate change -> climate change (69) global positioning measurement -> GPS measurement (8) global warming -> climate change (69) glossaries -> terminologies and classifications (25) gold (3) gold mines -> mine sites (15) governed places -> administrative areas (8) governmental units -> administrative and political boundaries (5) government buildings -> buildings (13) United States Government establishments -> buildings (13) GPS measurement (8) grabens -> fault zones (4) grades (physiographic) -> physiographic features (237) grain-size analysis (3) grainsize analysis -> grain-size analysis (3) granges -> agricultural sites (6) research grants -> external research support (4) granulometry -> grain-size analysis (3) digital line graphs -> geospatial datasets (112) mixed grass ecosystems -> grassland ecosystems (16) short grass ecosystems -> grassland ecosystems (16) tall grass ecosystems -> grassland ecosystems (16) grasses -> vegetation (41) grassland ecosystems (16) grasslands (11) gravel deposits (3) gravel pits -> mine sites (15) gravimeter measurement (4) gravimetric methods -> gravimeter measurement (4) gravimetry -> gravimeter measurement (4) gravitational field (earth) (12) gravity -> gravitational field (earth) (12) gravity anomaly maps (5) -> gravitational field (earth) -> maps and atlases gravity field -> gravitational field (earth) (12) gray water -> wastewater use (5) grazing allotments -> agricultural sites (6) grazing areas -> grasslands (11) greenhouse effect (2) greenhouse gases (4) grey water -> wastewater use (5) grid coordinate systems -> map coordinate systems (3) grist mills -> industrial sites (3) grizzly bears -> bears (9) grottoes -> caves (6) ground-water -> groundwater (200) ground-water/surface-water interaction -> groundwater and surface-water interaction (5) ground-water flow -> groundwater flow (48) ground-water level -> groundwater level (27) ground-water quality -> groundwater quality (80) ground motion -> earthquake occurrences (42) ground motion maps (14) -> maps and atlases -> earthquake occurrences proving grounds -> research facilities (4) ground transportation -> transportation (1) ground water -> groundwater (200) groundwater (200) groundwater/surface water interaction -> groundwater and surface-water interaction (5) groundwater and surface-water interaction (5) groundwater flow (48) groundwater flow modeling -> mathematical modeling (97) groundwater geology -> hydrogeology (37) groundwater level (27) groundwater movement -> groundwater flow (48) groundwater quality (80) organism groupings (non-taxonomic) (204) chemical element groups (6) coconut groves -> woods (1) groves -> woods (1) olive groves -> woods (1) palm groves -> woods (1) pine groves -> woods (1) rice growing regions -> agricultural regions (2) organism growth and development (8) coast guard stations -> buildings (13) guard stations -> buildings (13) field trip guidebooks -> guidebooks (9) guidebooks (9) guidelines -> reports (106) field guides -> guidebooks (9) user guides -> manuals (17) gulfs (2) gullies -> arroyos (2)

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