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This digital geospatial compilation gathered paleoflow indicators from current-formed sedimentary structures throughout the Paleozoic Ozark uplift, Arkoma foreland basin, and Ouachita fold-thrust-belt of eastern Oklahoma and western Arkansas from existing publications. This dataset consists of unidirectional and bidirectional paleocurrents observed from a variety of bedform types represented by approximately 9,958 individual measurements and 665 calculated means (one .csv file) plotted as points (one .shp file) with subordinate Ordovician-Silurian and primarily Mississippian-Pennsylvanian ages.
Categories: Data;
Tags: Arkansas,
Arkoma,
Atoka,
Atokan,
Bartlesville, All tags...
Blakely,
Blaylock,
Bloyd,
Bluejacket,
Boggy,
Chesterian,
Desmoinesian,
Elgin,
Gypsy,
Hartshorne,
Jackfork,
Krebs,
Lequire,
Mazarn,
McAlester,
Meramecian,
Mississippian,
Missouri Mountain,
Morrowan,
Oklahoma,
Ordovician,
Ouachita,
Ozark,
Paleocurrent,
Paleoflow,
Paleozoic,
Parthenon,
Pennsylvanian,
Savanna,
Sedimentology,
Silurian,
Stanley,
Stratigraphy,
Thurman,
USGS Science Data Catalog (SDC),
Vamoosa,
Virgilian,
Warner,
Wedington,
Womble, Fewer tags
A data processing task was needed by National Park Service to transpose field tabular and spatial data into various digital formats of the 1994 Aquatic Plant Survey Report. A survey of aquatic vascular plants was conducted in a 122 mile stretch of the Upper Delaware River between Hancock, New York and the Delaware Water Gap in 1991 and 1992. A total of 196 sites were inventoried and twenty-eight species of plants were recorded. The aquatic vascular plant flora in this section of the Delaware River appeared to be thriving, due in large part to good water quality and moderate impacts by man. The purpose of this task was the digitizing of hand-drawn field mapping data from hardcopy paper maps into digital map products....
Categories: Data;
Types: Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: Milford,
milford,
pennsylvania,
pennsylvanian,
upper delaware, All tags...
upper delaware, Fewer tags
The database for the Preliminary Geologic Map of the Cherry Hill Quadrangle, Dinwiddie, Sussex, and Greensville Counties, Virginia geographically straddles the Coastal Plain and Piedmont Provinces along the Tidewater Fall Line. Rocks of the eastern Piedmont Roanoke Rapids terrane crop out in the western part of the quadrangle and consist of greenschist- to amphibolite-facies Neoproterozoic felsic to intermediate metavolcanic rocks, some of which contain flattened quartz phenocrysts and are locally isoclinally folded; greenstone that is locally primary layered; and intrusive metadiorite and metagabbro, much of which has been altered to amphibolite. Most of these rocks are strongly foliated and jointed. Greenschist-facies...
Tags: Alluvial terrace,
Alluvium,
Amphibolite,
Aplite,
Atlantic coastal plain, All tags...
Bacons Castle Formation,
Black Branch,
Cambrian,
Cataclasite,
Cherry Hill,
Chesapeake Group,
Clastic rock,
Clay or mud,
Coarse-grained mixed clastic rock,
Colluvium,
De Witt pluton,
Devonian,
Dinwiddie County,
Dinwiddie terrane,
Double Branch Creek,
Economic Geology,
Felsic metavolcanic rock,
Gabbroid,
Geochemistry,
Geomorphology,
Granite,
Granitoid,
Gravel,
Greenstone,
Greenville County,
Hardwood Creek,
Harris Swamp,
Holocene,
Horsepen Branch,
Intermediate metavolcanic rock,
Lake or marine sediment,
Landslide,
Manlove Branch,
Mayes Pond,
Mesozoic,
Metamorphic rock,
Metasedimentary rock,
Metavolcanic rock,
Mica schist,
Millrun Branch,
Mineral Resources,
Miocene,
Mixed volcanic/clastic rock,
Mylonite,
Neogene,
Neoproterozoic,
Nottoway River,
Nottoway River fault zone,
Open-File Report,
Paleozoic,
Pegmatite,
Pennsylvanian,
Pleistocene,
Pliocene,
Plutonic rock,
Quartzite,
Quaternary,
Rita Branch,
Roanoke Rapids terrane,
Rocky Branch,
Sand,
Sandstone,
Sappony Creek,
Schist,
Sedimentology,
Silurian,
Smith Branch,
Spring Meadow Branch,
Stewart Branch,
Stratigraphy,
Structural Geology,
Sussex County,
Terrace,
USGS Science Data Catalog (SDC),
Unconsolidated material,
Virginia,
bedrock geologic units,
building stone resources,
deformation (geologic),
earth characteristics,
earth sciences,
environment,
fault zones,
faulting (geologic),
faults,
foliation (geologic),
fracture (geologic),
gabbro,
geochemistry,
geologic contacts,
geologic history,
geologic maps,
geologic structure,
geology,
geoscientificInformation,
geospatial datasets,
gravel deposits,
igneous rocks,
lineation (geologic),
lithostratigraphy,
maps and atlases,
metallic mineral resources,
metamorphic rocks,
metamorphism (geological),
mine sites,
mineral resources,
natural resources,
natural rock formations,
petrology,
plutonic rocks,
rocks and deposits,
sand deposits,
sedimentary rocks,
sedimentology,
silt,
stratigraphy,
structural geology,
study areas,
surficial geologic units,
unconsolidated deposits,
volcanic rocks, Fewer tags
Regional geologic investigations show that all the metamorphosed crystalline rocks underlying the Greenville 1 degree x 2 degree quadrangle are allochthonous. Seismic-reflection studies, the COCORP line (Cook and others, 1979), and the U.S. Geological Survey (USGS) seismic lines (Harris and Bayer, 1979; Harris and others, 1981) present seismic profiles across different parts of the southern Appalachians. Recent geophysical studies for the now discontinued Appalachian Ultradeep Core Hole (ADCOH) project were concentrated in the Greenville quadrangle (Hatcher and others, 1988). The ADCOH seismic-reflection profiles tie in with the COCORP profile of Cook and others (1979), providing a three-dimensional view of the...
Tags: Amphibolite,
Antreville,
Blue Ridge,
Caesars Head Granite,
Calc-silicate rock, All tags...
Cambrian,
Chauga River Formation,
Copperhill Formation,
Coronaca Granite,
Devonian,
Diabase,
Elberton Granite,
Gabbro,
Georgia,
Gneiss,
Granite,
Granodiorite,
Great Smoky Group,
Greenville,
Helen Group,
Henderson Gneiss,
Horton Formation,
Hothouse Formation,
Hughes Gap Formation,
Jurassic,
Mesoproterozoic,
Mesozoic,
Metasedimentary rock,
Metavolcanic rock,
Mineral Resources,
Mississippian,
Monzonite,
Mylonite,
Nacoochee Formation,
Nantahala Shale,
Neoproterozoic,
Ocoee Supergroup,
Ordovician,
Paleozoic,
Paragneiss,
Pegmatite,
Pennsylvanian,
Permian,
Phyllite,
Phyllonite,
Poor Mountain Formation,
Quartzite,
Richard Russell Formation,
Robertstown Formation,
Schist,
Silurian,
South Carolina,
Structural Geology,
Syenite,
Tonalite,
Toxaway Gneiss,
Trondhjemite,
USGS Science Data Catalog (SDC),
Wehutty Formation,
digitization,
earth sciences,
folding (geologic),
foliation (geologic),
geologic history,
geoscientificInformation,
geospatial datasets,
igneous rocks,
lineation (geologic),
metamorphic rocks,
metamorphism (geological),
plutonic rocks,
radiometric dating,
rubidium-strontium analysis,
structural geology,
uranium-lead analysis,
volcanic rocks, Fewer tags
These are crushed coal samples collected by Indiana Geological Survey coal geologist from Indiana coal mines and borehole locations. They represent various coal beds of the Pennsylvanian age. They are usually crushed to 0.8 mm size for mineral analysis and vitrinite reflectance measurements. Plastic jars of 100ml volume.
This digital dataset was created as part of a U.S. Geological Survey hydrologic resource assessment and development of an integrated numerical hydrologic model of the hydrologic system of the Upper Colorado River Basin, an extensive region covering approximately 412,000 square kilometers in five states: Wyoming, Colorado, Utah, Arizona, and New Mexico. As part of this larger study, the USGS developed this digital dataset of geologic data and a three-dimensional hydrogeologic framework model (3D HFM) that define the elevation, thickness, and extent of seven hydrogeologic units in the Upper Colorado River Basin. The hydrogeologic setting of the Colorado Plateau consists of thick Paleozoic, Mesozoic, and Cenozoic aquifers,...
Tags: 3D,
Arizona,
Chinle Formation,
Colorado,
Colorado Plateau, All tags...
Colorado Plateaus aquifers (COPL),
Cretaceous,
Curtis Member of Stump Formation,
Cutler Formation,
Dakota Sandstone,
Entrada Sandstone,
Glen Canyon Group,
Glorieta Member of San Andres Formation,
Green River Basin,
Green River Formation,
Hydrology,
Jurassic,
Kaibab Limestone,
Mancos Shale,
Mesaverde Group,
Mesozoic,
Mississippian,
Moenkopi Formation,
Morrison Formation,
NCGMP,
NCGMP (National Cooperative Geologic Mapping Program),
National Geologic Synthesis Project,
National Water Census Initiative,
Navajo Sandstone,
New Mexico,
Nugget Sandstone,
Paleozoic,
Paradox Basin,
Paradox Formation,
Pennsylvanian,
Permian,
Piceance Basin,
Precambrian,
Preuss Redbeds,
Preuss Sandstone,
Quaternary,
Regional Aquifer System Analysis,
San Andres-Glorieta aquifer,
San Juan Basin,
San Rafael Group,
Stratigraphy,
Tertiary,
Triassic,
US GeoFramework Initiative,
USGI,
USGS Science Data Catalog (SDC),
Uinta Basin,
Uncompahgre Formation,
United States GeoFramework Initiative,
Upper Colorado River Basin,
Utah,
Wasatch Formation,
Water Resources,
Wyoming,
alluvial,
cross section,
elevation,
elevation,
fault,
geoscientificInformation,
hydrogeologic,
marine shale,
oil and gas well,
sandstone,
stratigraphic thickness,
structure contours,
thickness,
three dimensional,
volcanic, Fewer tags
The geodatabase for the Charlotte 1 degree × 2 degrees quadrangle by Goldsmith and others (1988) was compiled in the Geologic Map Schema (GeMS). The geologic map extends across four lithotectonic belts of the Piedmont from the Coastal Plain and Wadesboro Triassic basin on the east to the Blue Ridge belt in the vicinity of the Grandfather Mountain window on the west. The Wadesboro Triassic basin contains arkosic sandstone, siltstone and conglomerate unconformably overlain by small inliers of late Cretaceous Coastal Plain sediment of the Middendorf Formation (?). The Blue Ridge, Inner Piedmont, Kings Mountain, Charlotte, and Carolina Slate belts consist of different Mesoproterozoic to Late Paleozoic metamorphosed...
Tags: Albemarle Group,
Alexander County,
Alligator Back Formation,
Ashe Formation,
Battlefield Formation, All tags...
Blacksburg Formation,
Blowing Rock Gneiss,
Blue Ridge,
Brevard fault zone,
Brown Mountain Granite,
Burke County,
Caldwell County,
Cambrian,
Catawba County,
Catawba River,
Charlotte,
Cherry Mountain,
Cherryville Granite,
Chilhowee Group,
Churchland Plutonic Suite,
Cid Formation,
Concord Plutonic Suite,
Cowpens,
Cranberry Gneiss,
Crossnore Complex,
Davie County,
Denton,
Devonian,
Durham,
Early Cambrian,
Early Devonian,
Ediacaran fauna,
Elk Park Plutonic Suite,
Flat Swamp Member,
Floyd Church Formation,
Gaffney,
Gastonia,
Henderson Gneiss,
Henry Fork,
High Shoals Granite,
Jumping Branch Manganiferous Member,
Jurassic,
Kings Mountain,
Lake Norman,
Late Cretaceous,
Late Ordovician,
Late Proterozoic,
Late Triassic,
Lincoln County,
Lincolnton,
Middle Proterozoic,
Mississippian,
North Carolina,
Paleozoic,
Pennsylvanian,
Permian,
Piedmont,
Precambrian,
Roxboro,
Salisbury Plutonic Suite,
Sandy Mush,
Sauratown Mountains,
Shady Dolomite,
Silurian,
South Carolina,
South Mountains,
Sunshine,
Tillery Formation,
Triassic,
USGS Science Data Catalog (SDC),
Uwharrie Formation,
Wadesboro,
Wilson Creek Gneiss,
Winston-Salem,
Yadkin Formation,
Yadkin River,
alaskite,
allochthonous,
amphibolite,
amphibolite facies,
anticline,
arkosic sandstone,
breccia,
brecciation,
brittle deformation,
cataclasis,
conglomerate,
coticule,
diabase,
diorite,
dolomite,
ductile faulting,
epidote-amphibolite facies,
fossils,
gabbro,
gneiss,
gondite,
granite,
granodiorite,
graywacke,
greenschist facies,
hornfels,
igneous rocks,
lamprophyre,
manganiferous chert,
metadiabase,
metadiorite,
metagabbro,
metagranite,
metagranodiorite,
metagraywacke,
metamorphic rocks,
metamorphism (geological),
metasyenite,
metatonalite,
metatrondhjemite,
metavolcanic rocks,
metavolcanic rocks,
monzogranite,
mudstone,
mylonite,
mylonitized,
nappe,
none,
pegmatite,
phyllite,
plutonic rocks,
quartzite,
recumbent folding,
schist,
sedimentary rocks,
shear zone,
siltstone,
staurolite-kyanite zone,
syenite,
syncline,
tonalite,
tourmaline-quartz rock,
tuff,
ultramafic rocks,
volcanoes, Fewer tags
The 1:100,000-scale geologic map database of the South Boston 30' × 60' quadrangle, Virginia and North Carolina, provides geologic information for the Piedmont along the I-85 and U.S. Route 58 corridors and in the Roanoke River watershed, which includes the John H. Kerr Reservoir and Lake Gaston. The Raleigh terrane (located on the eastern side of the map) contains Neoproterozoic to early Paleozoic(?) polydeformed, amphibolite-facies gneisses and schists. The Carolina slate belt of the Carolina terrane (located in the central part of the map) contains Neoproterozoic metavolcanic and metasedimentary rocks at greenschist facies. Although locally complicated, the slate-belt structure mapped across the South Boston...
Tags: 30 x 60 minute,
Aaron Formation,
Aarons Creek,
Alkaline basalt,
Allen Creek, All tags...
Alluvium,
Amphibolite,
Argillite,
Armistead Branch,
Ashcake Creek,
Augen gneiss,
Averett,
Bagleys Mills,
Banister Lake,
Banister River,
Barnes Junction,
Basalt,
Baskerville,
Bears Element Creek,
Beaver Pond,
Beaver Pond Creek,
Beech Creek,
Bethel Hill,
Big Hounds Creek,
Big Juniper Creek,
Biotite gneiss,
Birch Creek,
Bishops Corner,
Black Walnut Creek,
Blackridge,
Blackstone Creek,
Blanes Millpond,
Bluestone Creek,
Bluestone Otter Creek,
Bluewing Creek,
Bowes Branch,
Boydton,
Bracey,
Brodnax,
Brunswick County,
Buckham Creek,
Buckhorn Creek,
Buckskin Creek,
Buffalo Creek,
Buffalo Junction,
Buffalo Springs,
Buggs Island,
Burton Branch,
Butcher Creek,
Cambrian,
Cargills Creek,
Carolina slate belt,
Carolina terrane,
Castle Creek,
Castle Heights,
Cataclasite,
Catawba Creek,
Cedar Creek,
Cenozoic,
Charlotte County,
Chase City,
Christie,
Clarksville,
Clarkton,
Clays Mill,
Clover,
Clover Creek,
Cluster Springs,
Coleman Creek,
Colluvium,
Conglomerate,
Connor Lake,
Cotton Creek,
Couches Creek,
Country Line complex,
Cox Creek,
Crooked Creek,
Crupper Run,
Crystal Hill,
Cub Creek,
Cunningham complex,
Dacite,
Dan River,
Devils Branch,
Devonian,
Diabase,
Difficult Creek,
Diorite,
Dixon Millpond,
Dockery Creek,
Drakes Branch,
Dryburg,
Dudley,
Dundas,
Ellis Creek,
Esnon,
Evans Creek,
Farmers Branch,
Felsic gneiss,
Finchley,
Finnewood Creek,
Finneywood,
Flat Creek,
Flat Rock Creek,
Forksville,
Formosa,
Fort Mitchell,
Gabbro,
Gibson Creek,
Gilliams Branch,
Gneiss,
Goodell Creek,
Granite,
Granitic gneiss,
Granodiorite,
Granville County,
Grassy Creek,
Great Creek,
Greenschist,
Gregory Corner,
Hagood Creek,
Halifax,
Halifax County,
Harmony,
Hawtree Creek,
Hitesburg,
Holocene,
Horsepen Creek,
Horseshoe Lake,
Hughs Lake,
Hunting Creek,
Hyco Formation,
Hyco River,
Island Creek,
Island Creek Reservoir,
Jeffress,
Johnson Creek,
Jurassic,
Kenbridge,
Kerr Reservoir,
Kettle Creek,
Kettlesticks Creek,
Kits Creek,
La Crosse,
Lake Gaston,
Lake Gordon,
Langford Pond,
Lawsons Creek,
Layton Creek,
Lennig,
Little Genito Creek,
Little Horsepen Creek,
Little Johnson Creek,
Little Juniper Creek,
Little Temble Creek,
Long Branch,
Lunenburg,
Lunenburg County,
Lyle Creek,
Marengo,
Mason Creek,
Mayo,
Mayo Creek,
Mayo Reservoir,
Mecklenburg County,
Mesozoic,
Metabasalt,
Metamorphic rock,
Metamorphic suite of South Hill,
Metasedimentary rock,
Metavolcanic rock,
Middle Meherrin River,
Mikes Creek,
Miles Creek,
Mill Branch,
Milton terrane,
Mines Creek,
Miocene,
Miry Creek,
Mississippian,
Mitchell Creek,
Monzodiorite,
Monzonite,
Moody Creek,
Mossingford,
Mount Laurel,
Mountain Creek,
Mylonite,
Nathalie,
Nelson,
Neogene,
Neoproterozoic,
North Carolina,
North Meherrin River,
North View,
Nutbush Creek,
Nutbush Creek mylonite zone,
Omega,
Ontario,
Ordovician,
Orthogneiss,
Otter Creek,
Paleozoic,
Palmer Crossroads,
Palmer Springs,
Panhandle Creek,
Parham Creek,
Pennsylvanian,
Permian,
Person County,
Peter Creek,
Philbeck Crossroads,
Phyllonite,
Piney Creek,
Piney Grove,
Plantersville,
Pleistocene,
Pliocene,
Poplar Creek,
Public Fork,
Quartz diorite,
Quartz monzonite,
Quartzite,
Quaternary,
Rabat,
Raleigh terrane,
Randolph,
Ready Creek,
Red Bank,
Red Oak,
Redlawn,
Reedy Creek,
Reeses Creek,
Rehoboth,
Reynolds Creek,
Rhyolite,
Riverdale,
Roanoke Creek,
Roanoke River,
Rocky Branch,
Sand,
Sandy Creek,
Saxe,
Schist,
Scotts Crossroad,
Scottsburg,
Seay Creek,
Shiny Rock,
Siddon,
Siltstone,
Silurian,
Sinai,
Skipwith,
Smith Creek,
South Boston,
South Hill,
South Meherrin River,
Spanish Grove,
Stokes Creek,
Stony Creek,
Taylors Creek,
Temble Creek,
Terrace,
The Ridge,
Tonalite,
Triassic,
Tungsten,
Twittys Creek,
USGS Science Data Catalog (SDC),
Union Level,
Vance County,
Vance pluton,
Victoria,
Virgilina,
Virgilina Formation,
Virginia,
Wallace Branch,
Warren County,
Wightman,
Winn Creek,
Wolf Trap Creek,
Wylliesburg,
abandoned mines and quarries,
bedrock geologic units,
copper,
earth sciences,
folding (geologic),
foliation (geologic),
fracture (geologic),
geologic contacts,
geologic maps,
geologic processes,
geologic structure,
geologic time periods,
geologic time scales,
geology,
geoscientificInformation,
geospatial datasets,
information product types,
inlandWaters,
lithology,
maps and atlases,
metamorphic rocks,
metamorphism (geological),
mining and quarrying,
place,
sedimentary rocks,
sedimentation,
society,
stratum,
structural geology,
structure,
surficial geologic units,
unconsolidated deposits,
utilitiesCommunication, Fewer tags
The Ouachita Mountains record the late Paleozoic Laurentia-Gondwana orogenic event along southern Paleo-North America during Pangea supercontinent formation. This data release contains a digital compilation of geomorphic-structural information from the Ouachita Mountains of southeastern Oklahoma and southwestern Arkansas as previously published by Arbenz (2008). The geodatabase, presented herein, contains feature classes that include contact, fault, fold, and cross section lines with map unit polygons characterized by predominantly siliciclastic material with primarily Paleozoic depositional ages. Spatial data are also disseminated as shapefiles, accompanied by applicable non-spatial tables detailing the data sources,...
Categories: Data;
Types: ArcGIS REST Map Service,
ArcGIS Service Definition,
Downloadable,
Map Service;
Tags: Arkansas,
Arkansas Novaculite,
Atoka Formation,
Bigfork Chert,
Blakely Sandstone, All tags...
Blaylock Sandstone,
Bluejacket Sandstone Member,
Boggy Formation,
Cambrian,
Caney Shale,
Cenozoic,
Collier Shale,
Cretaceous,
Crystal Mountain Sandstone,
Devonian,
Economic Geology,
Energy Resources,
FGDC,
Federal Geographic Data Committee,
GeMS,
Geographic information systems,
Geography,
Geologic,
Geologic Map Schema,
Geologic contacts,
Geologic maps,
Geomorphology,
Geospatial datasets,
Hartshorne Formation,
Jackfork Group,
Johns Valley Shale,
Land Use Change,
Mazarn Shale,
McAlester Formation,
Mesozoic,
Mineral Resources,
Mississippian,
Missouri Mountain Shale,
NCGMP,
NGS,
National Cooperative Geologic Mapping Program,
National Geologic Synthesis Project,
North America,
Oklahoma,
Ordovician,
Ouachita,
Paleozoic,
Pennsylvanian,
Polk Creek Shale,
Precambrian,
Quaternary,
Savanna Formation,
Senora Formation,
Silurian,
Springer Group,
Stanley Group,
Stratigraphy,
Stuart Shale,
Tertiary,
Thurman Sandstone,
USGI,
USGS Science Data Catalog (SDC),
Union Valley Formation,
United States,
United States GeoFramework Initiative,
Wapanucka Limestone,
Womble Shale,
geoscientificInformation, Fewer tags
This dataset captures in digital form previously published maps showing the inferred extent and subsurface elevation of several Paleozoic consolidated rock units in the northern Midwest of the United States. Data released here were published as figures within a U.S. Geological Survey (USGS) Water Mission Area report documenting results from a study of the regional hydrogeology and ground-water quality of the Cambrian-Ordovician aquifer system in the northern Midwest. This study was part of the USGS national Regional Aquifer-System Analysis (RASA) Program. Sandstone and carbonate rocks of Cambrian and Ordovician age compose much of the sedimentary rocks overlying the Precambrian basement in the northern Midwest and...
Tags: 3D,
Bonneterre Formation,
Cambrian,
Cotter Dolomite,
Derby-Doerun Dolomite, All tags...
Devonian,
Eau Claire Formation,
Franconia Formation,
Galena Dolomite,
Galesville Sandstone,
Illinois,
Iowa,
Ironton Sandstone,
Kimmswick Formation,
Lamotte Sandstone,
Maquoketa Shale,
Michigan,
Midwest,
Minnesota,
Mississippian,
Mount Simon Sandstone,
NCGMP,
National Cooperative Geologic Mapping Program,
National Geologic Synthesis Project,
Ordovician,
Pennsylvanian,
Potosi Dolomite,
Powell Dolomite,
Prairie du Chien Group,
Precambrian,
Regional Aquifer System Analysis,
Silurian,
St. Lawrence Formation,
St. Peter Sandstone,
Stratigraphy,
US GeoFramework Initiative,
USGI,
USGS Science Data Catalog (SDC),
United States,
Upper Paleozoic,
Water Resources,
Wisconsin,
aquifer,
aquifer system,
elevation,
elevation,
extent,
geologic maps,
geologic structure,
geoscientificInformation,
hydrogeologic,
structure contours,
three dimensional, Fewer tags
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