Structure at the upper Cretaceous Ardmore bentonite bed, Powder River Basin, Wyoming and Montana [microform] - Yale University Library GeoBlacklight

Structure at the upper Cretaceous Ardmore bentonite bed, Powder River Basin, Wyoming and Montana [microform]

Author:: Geological Survey (U.S.)
Publisher:: The Survey
Subject:: Geology, Stratigraphic
Petrology
Spatial Coverage:: Powder River Basin (Wyo. and Mont.)
Temporal Coverage:: Cretaceous
Language:: English
Year:: 1987
Date Issued:: 2002-06-01T04:00:00Z
Date Modified:: 2002-06-01T04:00:00Z
Library Catalog Record:: https://search.library.yale.edu/catalog/5078202
Digital Collections Record:: No Digital Collections record

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