erc:
who: (:unav) unavailable
what: Oklahoma Oil Wells
when: 1930~-1939~
where: https://gateway.okhistory.org/ark:/67531/metadc1624414/
erc-support:
who: University of North Texas Libraries
what: Permanent: Stable Content:
when: 20081203
where: https://gateway.okhistory.org/ark:/67531/