Colorado Revised Statutes Title 36. Natural Resources General § 36-2-113. Right of United States not denied

Nothing in this article shall be construed to deny the right of the United States to dispose of any lands in this state; nor shall the fact that the title to any lots, lands, lodes, or mining claims has not passed from the United States be any bar to the recovery of the plaintiff in any of the actions specified in section 36-2-108. As against the United States, and all persons holding any of the lands under the United States, or the laws thereof, this article shall be ineffective and void.