None of the provisions of this subchapter may be construed to repeal or modify the provisions of Chapter 86, Parks and Wildlife Code, which relate to the powers and duties of the Parks and Wildlife Department over matters pertaining to the sale, taking, carrying away, or disturbing of sand, marl, gravel, or shell of commercial value and gravel, shells, mud shell, and oyster beds and their protection from free use and unlawful disturbing or appropriation, nor may this subchapter be construed to create additional or supplemental requirements or procedures to those provided in Chapter 86, Parks and Wildlife Code.
Tex. Nat. Res. Code § 61.227