Izoro Quadrangle, map, 1954; (https://texashistory.unt.edu/ark:/67531/metapth107194/m1/1/: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Izoro Quadrangle, map, 1954; (https://texashistory.unt.edu/ark:/67531/metapth107194/m1/1/: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .