Alamo Mountain Quadrangle, map, 2010; (https://texashistory.unt.edu/ark:/67531/metapth459876/m1/1/: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Alamo Mountain Quadrangle, map, 2010; (https://texashistory.unt.edu/ark:/67531/metapth459876/m1/1/: accessed June 28, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .