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5 results returnedTentative coal-mine inspection standards
Tentative bituminous-and lignite-mine inspection standards :revised September 1943
Tentative inspection standards for anthracite mines
Tentative inspection standards for anthracite mines
Inspection standards for bituminous-coal and lignite mines :revised July 1945.
Published Year
Subject
- Mine inspection--Standards--United States (5) *
- Coal mines and mining--Safety regulations--United States (4)
- Anthracite coal industry--Standards--United States (2)
- Bituminous coal industry--Standards--United States (1)
- Coal mines and mining--United States (1)
- Lignite industry--Standards--United States (1)
- Lignite industry--United States (1)
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