Conroe Quadrangle, map, 1976; (https://texashistory.unt.edu/ark:/67531/metapth106284/m1/1/: accessed May 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Conroe Quadrangle, map, 1976; (https://texashistory.unt.edu/ark:/67531/metapth106284/m1/1/: accessed May 20, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .