erc:
who: Watson, Gaylord
what: Watson's new rail-road and distance map of the United States and Canada : compiled from the latest official sources.
when: 1869
where: https://texashistory.unt.edu/ark:/67531/metapth231841/
erc-support:
who: University of North Texas Libraries
what: Permanent: Stable Content:
when: 20081203
where: https://texashistory.unt.edu/ark:/67531/