50 datasets found
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Federal
Altitude of the top of the lower 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 lower Fort Union aquifer in the Williston structural basin.... -
Federal
Extents of the hydrogeologic units of the uppermost principal aquifer systems in the Powder River and Williston structural basins
Department of the Interior —
These data represent the extent of the Fox Hills aquifer in the Powder River and Williston structural basins. -
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 middle Fort Union hydrogeologic 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 middle Fort Union hydrogeologic unit in the Powder River... -
Federal
Extent of the Lower Hell Creek aquifer in the Powder River and Williston structural basins
Department of the Interior —
These data represent the extent of the Lower Hell Creek aquifer in the Powder River and Williston structural basins. -
Federal
Surface altitude of hydrogeologic layers of the Atlantic Coastal Plain of North and South Carolina
Department of the Interior —
PP1773_unit_alt_grid is a polygon shapefile of surface altitudes for 16 hydrogeologic units as described in report Professional Paper 1773. Surface altitudes were... -
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
Extent of the middle Fort Union hydrogeologic unit in the Powder River and Williston structural basins
Department of the Interior —
These data represent the extent of the middle Fort Union hydrogeologic unit in the Powder River and Williston structural basins. -
Federal
Altitude of the top of the middle Fort Union 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 middle Fort Union hydrogeologic unit in the Williston... -
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...
50 datasets found