• Organization: Department of the Interior
• Updated: 2021-07-01T00:00:00Z

The boundaries illustrated by these Assessment Units are the result of geologic studies conducted by the World Petroleum Resources Project, 2009-2011 (Project). The boundaries were used to assess...

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• Organization: Department of the Interior
• Updated: 2021-06-21T00:00:00Z

Surficial geology (geo7_2ag).

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• Organization: Department of the Interior
• Updated: 2021-06-21T00:00:00Z

This coverage includes arcs, polygons and polygon labels that describe U.S. Geological Survey defined geologic provinces of the Africa. Each province has a set of geologic characteristics...

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