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 Serial/Series Title: U.S. Dept. of Agriculture. Bureau of Chemistry and Soils. Soil survey report , series 1926, no. 3
 Collection: Texas Soil Surveys
Soil survey of Willacy County, Texas
Text describes the area, climate, agriculture, soils, and alkali of Willacy County, Texas. texashistory.unt.edu/ark:/67531/metapth19823/