Versions of Texas Natural Resources Code > Title 4 > Chapter 131 > Subchapter B - Powers and Duties of the Commission on LawServer 2014 Texas Natural Resources Code > Title 4 > Chapter 131 > Subchapter B – Powers and Duties of the Commission 2011 Texas Natural Resources Code > Title 4 > Chapter 131 > Subchapter B – Powers and Duties of the Commission 2009 Texas Natural Resources Code > Title 4 > Chapter 131 > Subchapter B – Powers and Duties of the Commission 2008 Texas Codes > Natural Resources Code > Title 4 > Chapter 131 > Subchapter B – Powers And Duties Of The Commission