Rotan Quadrangle, map, 1981; (https://texashistory.unt.edu/ark:/67531/metapth459743/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Rotan Quadrangle, map, 1981; (https://texashistory.unt.edu/ark:/67531/metapth459743/m1/1/: accessed June 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .