(a) The district may develop and manage parks, recreational facilities, and natural science laboratories and may promote the preservation of fish and other wildlife in the district.(b) The district may negotiate contracts with any person, including a county, municipality, municipal corporation, firm, corporation, nonprofit organization, or state or federal agency, to operate or maintain the park, recreational facility, or natural science laboratory.(c) The preservation of fish and other wildlife shall be in accordance with the rules of the Parks and Wildlife Commission.(d) The board may charge and collect reasonable entrance, gate, or use fees to manage and operate a park or recreational facility developed wholly or partly by the district. Added by Acts 2011, 82nd Leg., R.S., Ch. 866 (H.B. 3864), Sec. 1, eff. June 17, 2011.