United States. Bureau of the Census. P.L. 94-171 County Block Map (2010 Census): Chambers County, Inset C01, map, December 9, 2010; (https://texashistory.unt.edu/ark:/67531/metapth387366/m1/1/: accessed October 18, 2017), University of North Texas Libraries, The Portal to Texas History, texashistory.unt.edu; .