Rockledge Quadrangle, map, 2012; (https://texashistory.unt.edu/ark:/67531/metapth451985/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Rockledge Quadrangle, map, 2012; (https://texashistory.unt.edu/ark:/67531/metapth451985/m1/1/: accessed July 6, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .