Harold G. Anthony, "The Duck Creek Erosion Project," The Mexia Weekly Herald (Mexia, Tex.), Vol. 38, No. 36, Ed. 1 Friday, September 4, 1936, The Portal to Texas History, accessed March 4, 2015, http://texashistory.unt.edu/ark:/67531/metapth299469/m1/8/?q=duck.