erc: who: Singley, J. A. what: Lampsilis bracteata, Specimen #1540 when: (:unav) unavailable where: https://digital.library.unt.edu/ark:/67531/metadc34122/ erc-support: who: University of North Texas Libraries what: Permanent: Stable Content: when: 20081203 where: https://digital.library.unt.edu/ark:/67531/