13 Tex. Admin. Code § 21.7
The basic document governing decisions of the State Marker Review Board to grant a marker shall be a comprehensive history of the topic, with reference notes and bibliography as prescribed in the application form. Collections of miscellaneous documents or notes are not acceptable in lieu of a narrative history. At least one photograph of the proposed marker location must be included with all marker applications.
Source Note:The provisions of this §21.7 adopted to be effective July 9, 1996, 21 TexReg 5974.