Sturgis Formation (Upper Pennsylvanian) : a new map unit in the western Kentucky coal field /
| Main Author: | |
|---|---|
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1973.
|
| Series: | Geological Survey bulletin ;
1394-B. Contributions to stratigraphy. |
| Subjects: |
Search Result 1