Sources of limestone, gypsum, and anhydrite for dusting coal mines to prevent explosions / by Oliver Bowles.
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Corporate Author: | |
Other title: | Sources of dusting materials. |
Format: | Government Document Book |
Language: | English |
Published: |
Washington :
Govt. Print. Off,
1925.
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Series: | Bulletin (United States. Bureau of Mines) ;
247. |
Subjects: |