Mexicali 1921 Sheet 1, map, December 1921; (https://texashistory.unt.edu/ark:/67531/metapth574577/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Mexicali 1921 Sheet 1, map, December 1921; (https://texashistory.unt.edu/ark:/67531/metapth574577/m1/1/: accessed August 15, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .