Accidents from falls of roof and coal
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Author
Publication
1912 - Govt. Print. Off., Washington, District of Columbia
Language
English
Word Count
4,000 words, Guess
Page Count
16 pages
Identifiers
- Library of Congress Control Number12029028
- OCLC Control Number19497164
- Open LibraryOL6549366M
Classifications
- LCCTN1 .U5 no.9
Subjects
Topics
PreventionSafety measuresCoal mine accidentsCoal mines and miningCoal mine accidents -- PreventionCoal mines and mining -- Safety measures
Series Statement
- [U.S.] Bureau of Mines. Miners' circular
- 9
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