Plan for conducting work under operating regulations to govern the production of oil and gas under the act of February 25, 1920, Public 146.
APA Citation
United States. Bureau of Mines. (1921). Plan for conducting work under operating regulations to govern the production of oil and gas under the act of February 25, 1920, Public 146. Washington: Govt. print. off..
MLA Citation
United States. Bureau of Mines. Plan for Conducting Work Under Operating Regulations to Govern the Production of Oil And Gas Under the Act of February 25, 1920, Public 146. Washington: Govt. print. off., 1921.
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