Author: | East, J. H., |
---|---|
Year: | 1947 |
Document Type: | USBI |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
SUDOC: | I 28.27:7405 |
Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
Report Number: | 7405 |
Subject: | Potash mines and mining--Germany |
Link: | https://hdl.handle.net/2027/mdp.39015077577511 |