Map of Texas, map, August 1, 1960; (https://texashistory.unt.edu/ark:/67531/metapth493675/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Map of Texas, map, August 1, 1960; (https://texashistory.unt.edu/ark:/67531/metapth493675/m1/1/: accessed June 23, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .