United States. Congress. Senate. Committee on Public Lands, ProQuest (Firm), & United States. Department of the Interior. (1947). Conditions in bituminous coal and lignite mines. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Public Lands, ProQuest (Firm), and United States. Department of the Interior. Conditions in Bituminous Coal and Lignite Mines. Washington: [publisher not identified], 1947.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Public Lands, et al. Conditions in Bituminous Coal and Lignite Mines. [publisher not identified], 1947.
Warning: These citations may not always be 100% accurate.