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Federal
USGS National Boundary Dataset (NBD) Downloadable Data Collection
Department of the Interior —
The USGS Governmental Unit Boundaries dataset from The National Map (TNM) represents major civil areas for the Nation, including States or Territories, counties (or... -
State
i17 California Jurisdictional Dams
State of California —
This dataset is a feature class identifying all dams currently under the jurisdiction of the Division of Safety of Dams (DSOD). The dataset is extracted from DSOD...