| Author: | Hollenbeck, Ronald P. | 
|---|---|
| Year: | 1967 | 
| Document Type: | USBI | 
| Issuing Agency: | Bureau of Mines, | 
| SUDOC: | I 28.27:8339 | 
| Series: | Information circular / United States. Bureau of Mines ; | 
| Report Number: | 8339 | 
| Subject: | Fluorspar--United States | 
| Link: | https://hdl.handle.net/2027/mdp.39015095086461 |