Soil map, Cass County, Texas, map, February 1937; (https://texashistory.unt.edu/ark:/67531/metapth19737/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
Soil map, Cass County, Texas, map, February 1937; (https://texashistory.unt.edu/ark:/67531/metapth19737/m1/1/: accessed April 26, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .