Regulations concerning sodium mining leases and prospecting permits under act of February 25, 1920 (41 stat. 437) as amended by act of December 11, 1928 (45 stat. 1019).
Approved June 14, 1929.

APA Citation

United States. General Land Office. (1929). Regulations concerning sodium mining leases and prospecting permits under act of February 25, 1920 (41 stat. 437) as amended by act of December 11, 1928 (45 stat. 1019): Approved June 14, 1929. Washington: U.S. G.P.O..

MLA Citation

United States. General Land Office. Regulations Concerning Sodium Mining Leases And Prospecting Permits Under Act of February 25, 1920 (41 Stat. 437) As Amended by Act of December 11, 1928 (45 Stat. 1019): Approved June 14, 1929. Washington: U.S. G.P.O., 1929.