erc: who: Texas Agricultural Experiment Station what: Soil survey of Scurry County, Texas when: 1935 where: https://texashistory.unt.edu/ark:/67531/metapth19837/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/