erc: who: Sanborn Map Company what: Quanah 1892 Sheet 2 when: 1892 where: https://texashistory.unt.edu/ark:/67531/metapth553663/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/