California Code, Public Resources Code - PRC § 5161

Whenever any county, city and county, city or the state owns land within the limits of any area designated as a state historical monument, it may, with the consent of the department, sell such land to, or exchange such land with, any other public, private, or former owner of land within the same area upon a determination by the state or other governmental agency that the sale or exchange of the land will facilitate the development of the historical monument.