Author: | Ryan, J. P. |
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Year: | 1956 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.23:5222 |
Series: | Report of investigations / Bureau of Mines ; |
Report Number: | 5222 |
Subjects: | Phosphate rock--Texas |
Phosphate rock--Oklahoma | |
Phosphate rock--Kansas | |
Phosphate rock--Arkansas | |
Link: | https://hdl.handle.net/2027/mdp.39015077553793 |