- General Soil Map, Brazos County, 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 1:253,440 texashistory.unt.edu/ark:/67531/metapth130277/
- Soil map, Texas, Brazos County sheet
- Map displays soil types along with creeks, lakes, rivers, farms, towns, churches, schools, colleges, roads, and railroads. Includes legend and symbols. Gives soil profiles (3 feet deep). texashistory.unt.edu/ark:/67531/metapth19742/
- Soil survey of Brazos County, Texas
- Text describes climate, agriculture, and soils of Brazos County, Texas. texashistory.unt.edu/ark:/67531/metapth19809/
- Soil Survey of Brazos County, 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 Brazos County, Texas. texashistory.unt.edu/ark:/67531/metapth130204/