Graphic sections of Mesozoic and Paleozoic rocks that underlie the basin areas in south-central Montana
| Other Authors: | Hadley, H. D., Geological Survey (U.S.), Montana Bureau of Mines and Geology. |
|---|---|
| Format: | Map |
| Language: | English |
| Published: |
[Washington, D.C.] :
The Survey,
1945.
|
| Physical Description: |
33 sections on 1 sheet ; sheet 112 x 163 cm. |
| Series: |
Oil and gas investigations preliminary chart ;
OC-19. |
| Subjects: |