2010 Census County Block Map: Dallam County, Block 21, map, 2010; (https://texashistory.unt.edu/ark:/67531/metapth377144/m1/1/: accessed May 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .
2010 Census County Block Map: Dallam County, Block 21, map, 2010; (https://texashistory.unt.edu/ark:/67531/metapth377144/m1/1/: accessed May 22, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .