United States. Bureau of Mines. (1945). Accident Statistics as an Aid to Prevention of Accidents in Metal Mines, Metal-Mine Accident-Prevention Course, Section 1. [s.n.].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines. Accident Statistics as an Aid to Prevention of Accidents in Metal Mines, Metal-Mine Accident-Prevention Course, Section 1. [Washington]: [s.n.], 1945.
MLA (9th ed.) CitationUnited States. Bureau of Mines. Accident Statistics as an Aid to Prevention of Accidents in Metal Mines, Metal-Mine Accident-Prevention Course, Section 1. [s.n.], 1945.
Warning: These citations may not always be 100% accurate.