United States. Bureau of Mines. (1936). Explosions of coal dust in tipples and cleaning plants and some suggestions on preventing them [mine structure for conveying extracted ores]. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines. Explosions of Coal Dust in Tipples and Cleaning Plants and Some Suggestions on Preventing Them [mine Structure for Conveying Extracted Ores]. [Washington]: [s.n.], 1936.
MLA (9th ed.) CitationUnited States. Bureau of Mines. Explosions of Coal Dust in Tipples and Cleaning Plants and Some Suggestions on Preventing Them [mine Structure for Conveying Extracted Ores]. [s.n.], 1936.
Warning: These citations may not always be 100% accurate.