Mineral resources in Permian rocks of southwest Montana /
| Main Author: | |
|---|---|
| Corporate Author: | |
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off,
1970.
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| Series: | Geology of permian rocks in the western phosphate field.
Geological Survey professional paper ; 313-E. |
| Subjects: |
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