Thickness of upper Cretaceous rocks from the base of the Niobrara Formation to the top of the Frontier Formation, including the Carlile shale, Greenhorn Formation, and Sage Breaks shale, Powder River Basin, Wyoming and Montana
| Main Author: | Geological Survey (U.S.) |
|---|---|
| Other Authors: | Fox, J. E. 1943-, Higley, Debra K. |
| Format: | Microfilm |
| Language: | English |
| Published: |
[Reston, Va.?] :
The Survey,
1987.
|
| Physical Description: |
1 map ; 55 x 55 cm, on sheet 78 x 79 cm. |
| Series: |
U.S. Geological Survey open-file report ;
87-340-L. |
| Subjects: |
CMU Storage Gov Pub Microfiche
| Location | Call Number: | Status |
|---|---|---|
| CMU Storage Gov Pub Microfiche | I 19.76:87-340-L | Available |