- General Soil Map, Grayson 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 1:253,400 texashistory.unt.edu/ark:/67531/metapth130291/
- Soil map, Texas, Grayson County sheet
- Map displays soil types along with towns, railroads, roads, creeks, rivers, and ferries. Includes legend and soil profiles. texashistory.unt.edu/ark:/67531/metapth19719/
- Soil Survey of Grayson 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 Grayson County, Texas. texashistory.unt.edu/ark:/67531/metapth130218/
- Soil survey of Grayson County, Texas
- Text describes climate, agriculture, and soils of Grayson County, Texas. texashistory.unt.edu/ark:/67531/metapth19786/