Author: | Tyler, Paul McIntosh, |
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Year: | 1932 |
Document Type: | MAIN |
Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
Series: | Information circular ; |
Report Number: | 6597 |
Subject: | Minerals--Identification--Directories |
Link: | https://hdl.handle.net/2027/mdp.39015095085638 |