Bennett, Frank, United States. Bureau of Soils., and Grove B. Jones. Soil survey of the Brazoria Area, Texas, Book, 1902; digital images, (http://texashistory.unt.edu/ark:/67531/metapth19810/ : accessed December 20, 2013), University of North Texas Libraries, The Portal to Texas History, http://texashistory.unt.edu; crediting UNT Libraries Government Documents Department, Denton, Texas.
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