Southerland Canyon Quadrangle, map, 2012; (https://texashistory.unt.edu/ark:/67531/metapth450239/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Southerland Canyon Quadrangle, map, 2012; (https://texashistory.unt.edu/ark:/67531/metapth450239/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .