erc: who: Colton, J. H., & Co. what: Map of Spanish-Texas / [J.H. Colton & Co.] when: 1856 where: https://texashistory.unt.edu/ark:/67531/metapth20778/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/