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USGS National Geologic Map Database Collection
The National Geologic Map Database (NGMDB) is a Congressionally mandated national archive of geoscience maps, reports, and stratigraphic information. According to the Geologic... -
Marine Geology Reports in the NGDC Archive
Historic Marine Geologic data reports available are from academia, government, and non-U.S. sources. These reports were originally in paper or film form and were scanned to... -
Marine Geology Reports in the NGDC Archive
Historic Marine Geologic data reports available are from academia, government, and non-U.S. sources. These reports were originally in paper or film form and were scanned to... -
BLM AK National Conservation Area
This dataset represents the boundaries/extents of BLM National Landscape Conservation System (NLCS) units within Alaska and includes the following: Iditarod National Historic... -
BLM AK Wild and Scenic River Corridor
This dataset represents the boundaries/extents of BLM National Landscape Conservation System (NLCS) units within Alaska and includes the following: Iditarod National Historic... -
BLM National PFYC Potential Fossil Yield Classification Geologic Formation...
Geologic coverage. Contains polygon boundaries between mappable geologic units and polygon codes for the mappable geologic units. Contains values for the Potential Fossil Yield... -
BLM NM National Monuments and National Conservation Areas
This polygon feature class represents the spatial extent and boundaries of the BLM National Landscape Conservation System (NLCS) National Monuments, National Conservation Areas... -
BLM SD SMA Surface Ownership Polygon
Surface Management Agency: The Surface Management Agency (SMA) Geographic Information System (GIS) dataset depicts Federal land for the State of South Dakota, and classifies... -
BLM Natl NLCS National Monuments National Conservation Areas Polygons
This polygon feature class represents the spatial extent and boundaries of the BLM National Landscape Conservation System (NLCS) National Monuments, National Conservation Areas...