Colo. Rev. Stat. § 36-2-101
Conceding to the United States the primary and paramount right to dispose of the soil of this state, according to the laws existing or to be enacted by congress, and full and complete exemption from every form of taxation of their property, it is hereby declared that as between all the good citizens residing in this state, and as between them, or any of them, and others, having or claiming, or pretending to have or claim, any right to occupy, possess, and enjoy any portion of the public domain situate within the boundaries of this state, and as between each and every one of them, and all other persons, associations, corporations, and powers except the government of the United States, the right as the same may exist under the local laws, to occupy, possess, and enjoy any tract or portion thereof, shall be respected in law in all the courts and tribunals of this state.
C.R.S. § 36-2-101