This system will be unavailable from 7pm CST Friday, December 13th until 7am CST Monday, December 16th.

United States. Bureau of the Census. P.L. 94-171 County Block Map (2010 Census): Denton County, Block 10, map, January 12, 2011; (https://texashistory.unt.edu/ark:/67531/metapth380581/m1/1/: accessed December 11, 2019), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .