16 U.S.C. § 226
EDITORIAL NOTES
CODIFICATIONSection, act Feb. 26, 1919, ch. 44, §6, 40 Stat. 1178, authorized Secretary of the Interior to permit prospecting, development, and utilization of the mineral resources within Grand Canyon National Park. Act Jan. 26, 1931, ch. 47, §1, 46 Stat. 1043, provided that no permit, license, lease for the prospecting, development, or utilization of the mineral resources within the Grand Canyon National Park should be granted after January 26, 1931.