Fluorite in the United States, exclusive of Hawaii
| Main Author: | Worl, Ronald G. |
|---|---|
| Other Authors: | Van Alstine, Ralph Erskine, 1914-, Heyl, Allen V. 1918-2008., Geological Survey (U.S.) |
| Format: | Map |
| Language: | English |
| Published: |
Washington :
for sale by U.S. Geological Survey,
1974.
|
| Physical Description: |
1 map ; 97 x 156 cm. |
| Series: |
Mineral investigations. Resource map ;
MR-60. |
| Subjects: |