United States. Congress. Senate. Committee on Interior and Insular Affairs & ProQuest (Firm). (1960). Encouraging and stimulating the production and conservation of coal in the United States through research and development by authorizing the Secretary of the Interior to contract for coal research. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Interior and Insular Affairs and ProQuest (Firm). Encouraging and Stimulating the Production and Conservation of Coal in the United States Through Research and Development by Authorizing the Secretary of the Interior to Contract for Coal Research. Washington: [publisher not identified], 1960.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Interior and Insular Affairs and ProQuest (Firm). Encouraging and Stimulating the Production and Conservation of Coal in the United States Through Research and Development by Authorizing the Secretary of the Interior to Contract for Coal Research. [publisher not identified], 1960.