erc:
who: McConnell, John
what: Land Conservation, Management and Utilization
when: 19560515
where: https://gateway.okhistory.org/ark:/67531/metadc1773453/
erc-support:
who: University of North Texas Libraries
what: Permanent: Stable Content:
when: 20081203
where: https://gateway.okhistory.org/ark:/67531/