Texas Parks and Wildlife Code - PARKS & WILD § 22.022. Powers of Department

(1) fix entrance fees for admission to the park;

(2) fix charges to be collected from patrons of the park;

(3) execute grazing leases covering all or part of the park land;

(4) grant concessions in the park;

(5) make improvements in the park; and

(6) execute any other contracts necessary to carry out the provisions of this subchapter.