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Federal
Location of General Head Boundaries (GHB) in the Central Valley Hydrologic Model (CVHM) recent views
Department of the Interior —
This digital dataset represents the area where lateral flow into and out of the Central Valley groundwater-flow system occurs. The General Head Boundary (GHB) is set... -
Federal
1:1,000,000-scale Hydrographic Areas of the Great Basin recent views
Department of the Interior —
This data set consists of hydrographic area and major flow system boundaries and polygons delineated at 1:1,000,000-scale for the Great Basin. -
Federal
1:1,000,000-scale hydrographic areas and flow systems for the Great Basin carbonate and alluvial aquifer system of Nevada, Utah, and parts of adjacent states recent views
Department of the Interior —
This dataset was created in support of a U.S. Geological Survey (USGS) study focusing on groundwater resources in the Great Basin carbonate and alluvial aquifer...