Author: | Schaefer, Ronald W. |
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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/ |