Sturgis Formation (Upper Pennsylvanian) : a new map unit in the western Kentucky coal field /
| Main Author: | |
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| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1973.
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| Series: | Geological Survey bulletin ;
1394-B. Contributions to stratigraphy. |
| Subjects: |
| Physical Description: | iii, B1-B24 pages : illustrations ; 24 cm. |
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| Bibliography: | Bibliography: p. B23-B24. |