Decisions of the Commissioner of the General Land Office and the Secretary of the Interiorby United States. General Land Office1874
Regulation of Mining Activities Within Areas of the National Park Systemby United States. Congress. Senate. Committee on Interior and Insular Affairs1975
United States Mining Laws and Regulations Thereunder, Approved May 21, 1907by United States. General Land Office1907
Decisions of the Commissioner of the General Land Office and the Secretary of the Interiorby United States. General Land Office1874
Mining and Minerals Policy Act of 1970by United States. Congress. Senate. Committee on Interior and Insular Affairs. Subcommittee on Minerals, Materials, and Fuels1971