Mountain Springs Quadrangle, map, 1978; (https://texashistory.unt.edu/ark:/67531/metapth108459/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Mountain Springs Quadrangle, map, 1978; (https://texashistory.unt.edu/ark:/67531/metapth108459/m1/1/: accessed July 10, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .