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Federal
H08623: NOS Hydrographic Survey , West Side of Gravina Island, Alaska, 1961-09-13
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
H08622: NOS Hydrographic Survey , West Side of Gravina Island, Alaska, 1961-08-29
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
Shoreline Data Rescue Project of Gravina Island, Alaska, PH148H NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
These data were automated to provide an accurate high-resolution historical shoreline of Gravina Island, Alaska suitable as a geographic information system (GIS) data...