United States. Bureau of Soils. and Texas Agricultural Experiment Station.. Soil map, reconnoissance survey, Texas, west-central sheet, Map, 1928; digital image, (http://texashistory.unt.edu/ark:/67531/metapth19682/ : accessed May 16, 2012), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting UNT Libraries Government Documents Department, Denton, Texas.
Soil map, reconnoissance survey, Texas, west-central sheet
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