Author: | Santmyers, R. M. |
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Year: | 1929 |
Document Type: | MAIN |
SUDOC: | C 22.11:6173 |
Series: | Information circular / Bureau of Mines ; |
Report Number: | 6173 |
Subjects: | Gypsum |
Gypsum industry--United States | |
Link: | https://hdl.handle.net/2027/mdp.39015095078708 |