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 County: Polk County, TX
 Serial/Series Title: [United States Soil Survey Report]
 Collection: Texas Soil Surveys
General Soil Map, Polk and San Jacinto Counties, Texas
Map displays soil types along with creeks, towns, schools, churches, power transmission lines, oil and gas pipelines, roads, and railroads. Includes legend and symbols. Scale 1:380,160 texashistory.unt.edu/ark:/67531/metapth130342/
Soil Survey of Polk and San Jacinto Counties, Texas
Text describes the area, climate, agricultural history and statistics, soil-survey methods and definitions, soils and crops, land uses and agricultural methods, irrigation, and morphology and genesis of soils of Polk and San Jacinto Counties, Texas. texashistory.unt.edu/ark:/67531/metapth130266/