Methods and cost of mining fluorspar at Rosiclare, Ill
| Main Author: | Reeder, Edwin C. |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
[Washington, D.C.?] :
U.S. Dept. of Commerce, Bureau of Mines,
1930.
|
| Physical Description: |
10 pages : illustrations ; 27 cm. |
| Series: |
Information circular (United States. Bureau of Mines) ;
6294. |
| Subjects: |