Maria Estella Well Quadrangle, map, 1957; (https://texashistory.unt.edu/ark:/67531/metapth447121/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .
Maria Estella Well Quadrangle, map, 1957; (https://texashistory.unt.edu/ark:/67531/metapth447121/m1/1/: accessed July 9, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu.; .