To amend the Act of March 3, 1875, to permit the State of Colorado to use land held in trust by the State as open space.

Amends the Colorado Enabling Act to permit the State of Colorado to use land held in trust by the State for the support of common schools for open space, wildlife habitat, scenic value, or other natural value, regardless of whether the land generates income for such schools, except that the amount of land used for natural value shall not exceed 300,000 acres.