The Online Books Page

Books by Bureau of Mines. Mine Safety Board:

Books in the extended shelves:

• Bureau of Mines. Mine Safety Board: Mine Safety Board decision 28 : safety catches and arresting devices for cages, skips, and cars in mine shafts and slopes (U.S. Dept. of the Interior, Bureau of Mines, 1938), also by United States Bureau of Mines (page images at HathiTrust)
• Bureau of Mines. Mine Safety Board: Mine Safety Board decision 29 : doors for controlling ventilation in coal mines (U.S. Dept. of the Interior, Bureau of Mines, 1938), also by United States Bureau of Mines (page images at HathiTrust)
• Bureau of Mines. Mine Safety Board: Mine Safety Board decision 30 : main fan installations at coal mines (U.S. Dept. of the Interior, Bureau of Mines, 1939), also by United States Bureau of Mines (page images at HathiTrust)
• Bureau of Mines. Mine Safety Board: Mine Safety Board decision 33 : Bureau of Mines definition of a gassy coal mine (U.S. Dept. of the Interior, Bureau of Mines, 1941), also by United States Bureau of Mines (page images at HathiTrust)
• Bureau of Mines. Mine Safety Board: Superseding mine safety board decision 5. (U.S. Dept. of the Interior, Bureau of Mines, 1940), also by United States Bureau of Mines (page images at HathiTrust)

Find more by Bureau of Mines. Mine Safety Board at your library, or elsewhere.