1990 Census County Block Map (Recreated): Dallam County, Block 4 - Side: 1 of 1 . Magnified. The Portal to Texas History

United States. Bureau of the Census. 1990 Census County Block Map (Recreated): Dallam County, Block 4, map, 1990; (https://texashistory.unt.edu/ark:/67531/metapth358870/m1/1/: accessed April 18, 2024), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .