erc: who: Mauldin, V. what: Amblema plicata, Specimen #128 when: 19710908 where: https://digital.library.unt.edu/ark:/67531/metadc34267/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/