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Federal
Database for the geologic map of the Frederick 30 x 60 quadrangle, Maryland, Virginia, and West Virginia
Department of the Interior —
The database for the geologic map of the Frederick 30 x 60 quadrangle covers the distinct geologic provinces and sections of the central Appalachian region that are... -
Federal
Potomac River ADCP Bathymetric Survey, October 4-7, 2021
Department of the Interior —
Bathymetric LiDAR technology was used to collect riverbed elevation data along the Potomac River. In support of this effort, a bathymetric survey with a boat-mounted... -
Federal
Potomac River ADCP Bathymetric Survey, October 4-7, 2021
Department of the Interior —
Bathymetric LiDAR technology was used to collect riverbed elevation data along the Potomac River. In support of this effort, a bathymetric survey with a boat-mounted...