Whenever any county shall have conveyed lands to any person and shall have reserved oil, gas, or minerals or rights therein or archaeological materials and the United States of America or any of its agencies or agents shall desire or be required to acquire or approve title to such lands, the board of county commissioners shall be authorized to release to the United States of America or its agency or agent everything so reserved. Such board of county commissioners shall have full power to fix and determine the consideration, if any, and terms upon which such release shall be given and any moneys or other consideration received for such release shall be covered into the fund for the benefit of which such reservations were made.