| Author: | Berkenkotter, Richard D. | 
|---|---|
| Year: | 1964 | 
| Document Type: | BMRA | 
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, | 
| SUDOC: | I 28.23:6526 | 
| Series: | Report of investigations / United States. Bureau of Mines ; | 
| Report Number: | 6526 | 
| Subjects: | Phosphates--Florida | 
| Sampling (Statistics) | |
| Link: | https://hdl.handle.net/2027/mdp.39015078467951 |