(a) The commission may lease grazing rights on any historic site described by Subchapter C and may lease from other parties grazing rights necessary for proper livestock management. The commission may harvest and sell, or sell in place, any timber, hay, livestock, or other product grown on any historic site described by Subchapter C that the commission finds to be in excess of natural resource management, educational, or interpretive objectives. Timber may be harvested only for forest pest management, salvage, or habitat restoration and consistent with good forestry practices and the advice of the Texas Forest Service.
(b) The commission may agree to accept materials, supplies, or services instead of money as part or full payment for a sale or lease under this subchapter. The commission may not assign to the materials, supplies, or services accepted as payment under this subsection a value that exceeds their actual market value.