C.R.S. § 31-15-713
(1) The provisions of this section are similar to provisions of several former sections as they existed prior to 1975.
(2) 43 U.S.C. secs. 718-723 and 725-727, referenced in subsection (3), were repealed, effective October 21, 1976. A savings provisions was contained in the act repealing said sections, stating "repeal by Pub. L. 94-579 not to be construed as terminating any valid lease, permit, patent . . . existing on Oct. 21, 1976", and said references have been left in this section for historical reference.