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Federal
Chicot Aquifer System Extent of southwestern Louisiana, October 2020
Department of the Interior —
The Chicot aquifer system underlies an area of approximately 9,500 mi2 in southwestern Louisiana and is located within the Gulf Coastal Plain physiographic province.... -
Federal
Thickness of the glacial aquifer system in the Williston structural basin
Department of the Interior —
These data represent the thickness, in feet, of the glacial aquifer system in the Williston structural basin. The data are presented as ASCII text files that can be... -
Federal
Altitude of the top of the Fox Hills aquifer in the Williston structural basin
Department of the Interior —
These data represent the altitude, in feet above North American Vertical Datum of 1988 (NAVD88), of the Fox Hills aquifer in the Williston structural basin. The data... -
Federal
Altitude raster for each of the Hydrogeologic Units of the Ozark Plateaus Aquifer System
Department of the Interior —
A hydrogeologic framework of the Ozark Plateaus aquifer system was constructed as the base for a groundwater flow model developed as part of the U.S. Geological... -
Federal
DS-777 Spatial Location of Gages with Total Flow and estimated Base Flow, for the Predevelopment Simulation Period for the Northern High Plains Groundwater-Flow Model in Parts of Colorado, Kansas, Nebraska, South Dakota, and Wyoming
Department of the Interior —
Baseflow is the portion of streamflow derived from groundwater flow. It is an important component of the groundwater budget, and can be estimated using known total... -
Federal
Altitude of the top of the basal confining unit in the Powder River structural basin
Department of the Interior —
These data represent the altitude, in feet above North American Vertical Datum of 1988 (NAVD88), of the basal confining unit in the Powder River basin. The data are... -
Federal
Extent of the upper Fort Union aquifer in the Powder River and Williston structural basins
Department of the Interior —
These data represent the extent of the upper Fort Union aquifer in the Powder River and Williston structural basins. -
Federal
Altitude of the top of the Upper Hell Creek hydrogeologic unit in the Williston structural basin
Department of the Interior —
These data represent the altitude, in feet above North American Vertical Datum of 1988 (NAVD88), of the Upper Hell Creek hydrogeologic unit in the Williston... -
Federal
Thickness of the Lower Hell Creek aquifer in the Williston structural basin
Department of the Interior —
These data represent the thickness, in feet, of the Lower Hell Creek aquifer in the Williston structural basin. The data are presented as ASCII text files that can be... -
Federal
Extent of the Upper Hell Creek hydrogeologic unit in the Powder River and Williston structural basins
Department of the Interior —
These data represent the extent of the Upper Hell Creek hydrogeologic unit in the Powder River and Williston structural basins. -
Federal
Altitude raster for each of the Hydrogeologic Units of the Ozark Plateaus Aquifer System
Department of the Interior —
A hydrogeologic framework of the Ozark Plateaus aquifer system was constructed as the base for a groundwater flow model developed as part of the U.S. Geological... -
Federal
Borehole Locations and Altitudes for each of the Hydrogeologic Units of the Ozark Plateaus Aquifer System
Department of the Interior —
A hydrogeologic framework of the Ozark Plateaus aquifer system was constructed as the base for a groundwater flow model developed as part of the U.S. Geological... -
Federal
MODFLOW-NWT model used to assess groundwater availability in the Northern Atlantic Coastal Plain aquifer system from Long Island, New York to North Carolina
Department of the Interior —
A three-dimensional, groundwater flow model was developed with the numerical code MODFLOW-NWT to represent changes in groundwater pumping and aquifer recharge in the... -
Federal
Altitude of the top of the basal confining unit in the Williston structural basin
Department of the Interior —
These data represent the altitude, in feet above North American Vertical Datum of 1988 (NAVD88), of the basal confining unit in the Williston structural basin. The... -
Federal
Thickness of the middle Fort Union hydrogeologic unit in the Williston structural basin
Department of the Interior —
These data represent the thickness, in feet, of the middle Fort Union hydrogeologic unit in the Williston structural basin. The data are presented as ASCII text files... -
Federal
Altitude of the top of the upper Fort Union aquifer in the Williston structural basin
Department of the Interior —
These data represent the altitude, in feet above North American Vertical Datum of 1988 (NAVD88), of the upper Fort Union aquifer in the Williston structural basin.... -
Federal
Thicknesses for each of the Hydrogeologic Units of the Ozark Plateaus Aquifer System
Department of the Interior —
A hydrogeologic framework of the Ozark Plateaus aquifer system was constructed as the base for a groundwater flow model developed as part of the U.S. Geological... -
Federal
Altitude of the top of the lower Fort Union aquifer in the Powder River structural basin
Department of the Interior —
These data represent the altitude, in feet above North American Vertical Datum of 1988 (NAVD88), of the lower Fort Union aquifer in the Powder River basin. The data... -
Federal
Thicknesses for each of the Hydrogeologic Units of the Ozark Plateaus Aquifer System
Department of the Interior —
A hydrogeologic framework of the Ozark Plateaus aquifer system was constructed as the base for a groundwater flow model developed as part of the U.S. Geological... -
Federal
Thickness of the Upper Hell Creek hydrogeologic unit in the Powder River structural basin
Department of the Interior —
These data represent the thickness, in feet, of the Upper Hell Creek hydrogeologic unit in the Powder River basin. The data are presented as ASCII text files that can...