erc:
who: Graves, Ralph L.
what: Missouri Pacific (MP) 9749
when: 19390521
where: https://gateway.okhistory.org/ark:/67531/metadc2298567/
erc-support:
who: University of North Texas Libraries
what: Permanent: Stable Content:
when: 20081203
where: https://gateway.okhistory.org/ark:/67531/