Subject: Geology / Temporal Coverage: Permian / Year: 1990 - Yale University Library GeoBlacklight Search Results

Start Over Subject Geology Temporal Coverage Permian Year 1990

1. Isopach map of the interval from surface elevation to the top of the Pennsylvanian and Permian Minnelusa Formation and equivalents, Powder River Basin, Wyoming and Montana

1990. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Powder River Watershed (Wyo. and Mont.). Pennsylvanian and Permian.

2. Map showing contours on the top of the Pennsylvanian and Permian Minnelusa Formation and equivalents, Powder River Basin, Wyoming and Montana

1990. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Powder River Watershed (Wyo. and Mont.). Pennsylvanian and Permian.

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