4 datasets found for ""1 250000""
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Federal
1:250,000-scale Hydrologic Units of the United States recent views
Department of the Interior —
The Geographic Information Retrieval and Analysis System (GIRAS) was developed in the mid 70s to put into digital form a number of data layers which were of interest... -
Federal
1:250,000-scale geology of the Dry Valley Hydrographic Area, Nevada and California recent views
Department of the Interior —
This dataset consists of digital geologic data for the Dry Valley Hydrographic area, Nevada and California. It was compiled from individual 1:250,000-scale geologic... -
Federal
1:250,000-scale geology of the Carson River Basin, Nevada and California recent views
Department of the Interior —
This data set consists of digital continuous geologic data for the Carson River Basin, Nevada and California. It was compiled from individual county 1:250,000-scale... -
Federal
Superfund GIS - 1:250,000 Geology of Tennessee. recent views
Department of the Interior —
This data set is a digital representation of the printed 1:250,000 geologic maps from the Tennessee Department of Environment and Conservation, Division of Geology....
4 datasets found for ""1 250000""