erc:
who: Britton, Joseph
what: Potamilus ohiensis, Specimen #590
when: 19750427
where: https://digital.library.unt.edu/ark:/67531/metadc34752/
erc-support:
who: University of North Texas Libraries
what: Permanent: Stable Content:
when: 20081203
where: https://digital.library.unt.edu/ark:/67531/