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 County: Polk County, TX
 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 map, Polk County, Texas
Map displays soil types along with creeks, lakes, ponds, rivers, pipelines, roads, towns, schools, churches, gins, lumber railroads, and railroads. Alabama and Coushatta Indian Reservation is indicated. Map includes legend and symbols. texashistory.unt.edu/ark:/67531/metapth19692/
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/
Soil survey of Polk County, Texas
Text describes the climate, agriculture, soils and crops, and agricultural methods and management of Polk County, Texas. texashistory.unt.edu/ark:/67531/metapth19761/