Subject: Rocks, Sedimentary / Year: 1987 - Yale University Library GeoBlacklight Search Results

Start Over Subject Rocks, Sedimentary Year 1987

1. Thickness of Jurassic 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.). Jurassic.

2. Thickness of lower Cretaceous 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.). Cretaceous.

3. 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.

4. Thickness of upper Cretaceous rocks from the base of the Niobrara Formation to the base of the clay spur bentonite (top of lower Cretaceous 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.). Cretaceous.

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