United States. Bureau of Mines. (1928). Accident-severity rates for certain mines and quarries in 1927. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Bureau of Mines. Accident-severity Rates for Certain Mines and Quarries in 1927. [Washington]: [publisher not identified], 1928.
MLA (9th ed.) CitationUnited States. Bureau of Mines. Accident-severity Rates for Certain Mines and Quarries in 1927. [publisher not identified], 1928.
Warning: These citations may not always be 100% accurate.