Temporal Coverage: Triassic / Language: English - Yale University Library GeoBlacklight Search Results

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1. Structure-contour maps of the Powder River basin, Montana and Wyoming

1996. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey ; For sale by U.S.G.S. Information Services. English. Public. Powder River Watershed (Wyo. and Mont.). Cretaceous, Jurassic, Pennsylvanian, Permian, and Triassic.

2. Thickness of Triassic rocks, Powder River Basin, Wyoming and Montana [microform]

1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Powder River Basin (Wyo. and Mont.). Triassic.