erc: who: Douglass, Neal what: [Aerial View of Highway Interchange] when: 19660401 where: https://texashistory.unt.edu/ark:/67531/metapth33043/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://texashistory.unt.edu/ark:/67531/