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The National Biogeographic Map is a web-based application designed to bring together USGS biogeographic data and information for analysis and synthesis. Some of the software and data found in the National Biogeographic Map is considered provisional and subject to revision until it has been fully vetted through the USGS release process. They are provided here to meet the need for timely best science.
Categories: Collection, Map; Tags: bioscape
Shapefiles showing the extent of the Dugger, Minshall-Buffaloville, Seelyville, and Springfield Coal Members derived from coal-test records, mine-map notation, and interpretations of geophysical logs. Information was included in the USGS National Coal Resources Data System (NCRDS).

    map background search result map search result map Pennsylvanian Paleosols Pennsylvanian Paleosols