Stratigraphy of mid-Cretaceous Blackleaf and lower part of the Frontier formations in parts of Beaverhead and Madison counties, Montana /
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| Format: | Government Document Book |
| Language: | English |
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[Reston, Va.] :
Dept. of the Interior, U.S. Geological Survey ;
1988.
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| Series: | U.S. Geological Survey bulletin ;
1773. |
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| Item Description: | Shipping list number: 88-369-P. |
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| Physical Description: | iv, 31 pages : illustrations, maps ; 28 cm. |
| Bibliography: | Bibliography: pages 25-27. |