Author: | Bowles, Oliver. |
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Year: | 1933 |
Document Type: | BMRA |
Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
SUDOC: | C 22.12:3221 |
Series: | Report of investigations / United States Department of Commerce, Bureau of Mines ; |
Report Number: | 3221 |
Subject: | Slate roofing |
Link: | https://hdl.handle.net/2027/mdp.39015077563305 |