Texas: Saspamco Quadrangle Grid Zone "D", map, 1942; (https://texashistory.unt.edu/ark:/67531/metapth493428/m1/1/: accessed April 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Texas: Saspamco Quadrangle Grid Zone "D", map, 1942; (https://texashistory.unt.edu/ark:/67531/metapth493428/m1/1/: accessed April 16, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .