| Author: | Schaefer, Ronald W. |
|---|---|
| Additional Authors: | Harrison, William H. |
| Year: | 1961 |
| Document Type: | N/A |
| SUDOC: | I 28.27:8012 |
| Series: | United States Bureau of Mines Reports |
| Report Number: | I. C. 8012 |
| Subjects: | Rosiclare Fluorspar Works. |
| Aluminum Company of America. | |
| Fluorspar mines and mining - Ill. | |
| Link: | http://digital.library.unt.edu/ark:/67531/metadc170732/ |