Texas Parks and Wildlife Code - PARKS & WILD § 13.011. Natural Features

(a) The commission may locate and designate outstanding natural features and formations located in this state. It may erect or contract to have erected suitable markers or monuments to call the features and formations to the public's attention.

(b) The commission may accept title to a suitable site for a marker or monument from private individuals, associations, or corporations by gift. Sites may also be acquired by purchase with appropriated funds.

(c) The commission may adopt reasonable rules for accepting or purchasing sites, for determining the suitability of sites, and for establishing the priority of accepting and marking the sites.

(d) All other agencies shall cooperate with the department to aid in the location of sites. The department may accept jurisdiction over suitable sites located on state land by an interagency transfer of jurisdiction.