United States. Bureau of Mines. (1944). Coal-Mine Explosions and Coal-and Metal-Mine Fires in the United States During the Fiscal Ended June 30, 1943. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines. Coal-Mine Explosions and Coal-and Metal-Mine Fires in the United States During the Fiscal Ended June 30, 1943. [Washington]: [s.n.], 1944.
MLA (9th ed.) CitationUnited States. Bureau of Mines. Coal-Mine Explosions and Coal-and Metal-Mine Fires in the United States During the Fiscal Ended June 30, 1943. [s.n.], 1944.
Warning: These citations may not always be 100% accurate.