2014 Texas Natural Resources Code > Title 5 > Chapter 141 > Subchapter C – Powers and Duties of the Commissioner and Board

2011 Texas Natural Resources Code > Title 5 > Chapter 141 > Subchapter C – Powers and Duties of the Commissioner and Board

2009 Texas Natural Resources Code > Title 5 > Chapter 141 > Subchapter C – Powers and Duties of the Commissioner and Board

2008 Texas Codes > Natural Resources Code > Title 5 > Chapter 141 > Subchapter C – Powers And Duties Of The Commissioner And Board