United States. Department of the Interior. (1921). Regulations governing leasing for lead and zinc mining operations and purposes of restricted Indian lands in Quapaw Agency, Okla., under Acts of Congress approved June 7, 1897 (30 Stat. L., 62-72) and Mar. 3, 1909 (35 Stat. L., 781-783). GPO.
Chicago Style (17th ed.) CitationUnited States. Department of the Interior. Regulations Governing Leasing for Lead and Zinc Mining Operations and Purposes of Restricted Indian Lands in Quapaw Agency, Okla., Under Acts of Congress Approved June 7, 1897 (30 Stat. L., 62-72) and Mar. 3, 1909 (35 Stat. L., 781-783). [Washington]: GPO, 1921.
MLA (9th ed.) CitationUnited States. Department of the Interior. Regulations Governing Leasing for Lead and Zinc Mining Operations and Purposes of Restricted Indian Lands in Quapaw Agency, Okla., Under Acts of Congress Approved June 7, 1897 (30 Stat. L., 62-72) and Mar. 3, 1909 (35 Stat. L., 781-783). GPO, 1921.