Tovrea Ranch Quadrangle, map, 1975; (https://texashistory.unt.edu/ark:/67531/metapth457689/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Tovrea Ranch Quadrangle, map, 1975; (https://texashistory.unt.edu/ark:/67531/metapth457689/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .