State laws relating to coal-mine timbering.
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Main Authors: | , |
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Corporate Author: | |
Format: | Government Document Book |
Language: | English |
Published: |
Washington :
U.S. Govt. Print. Off,
1928.
|
Series: | Technical paper (United States. Bureau of Mines) ;
421. |
Subjects: |
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State laws relating to coal-mine timbering.
Published 1928
Full Text (via ProQuest)
Government Document
eBook
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