Oklahoma Quadrangle, map, 1980; (https://texashistory.unt.edu/ark:/67531/metapth453845/m1/1/: accessed May 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Oklahoma Quadrangle, map, 1980; (https://texashistory.unt.edu/ark:/67531/metapth453845/m1/1/: accessed May 7, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .