Sec. 86.001.  MANAGEMENT AND PROTECTION.  The commission shall manage, control, and protect marl and sand of commercial value and all gravel, shell, and mudshell located within the tidewater limits of the state, and on islands within those limits, and within the freshwater areas of the state not embraced by a survey of private land, and on islands within those areas.
Acts 1975, 64th Leg., p. 1405, ch. 545, Sec. 1, eff. Sept. 1, 1975.