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Primary view of Leptodea fragilis, Specimen #510
Britton, Joseph
July 18, 1973
Primary view of Leptodea fragilis, Specimen #511
Britton, Joseph
July 18, 1973
Primary view of Leptodea fragilis, Specimen #513
Britton, Joseph
July 18, 1973
Primary view of Potamilus purpuratus, Specimen #672
Britton, Joseph
July 18, 1973
Primary view of Potamilus purpuratus, Specimen #673
Britton, Joseph
July 18, 1973
Primary view of Potamilus purpuratus, Specimen #674
Britton, Joseph
July 18, 1973
Primary view of Potamilus purpuratus, Specimen #675
Britton, Joseph
July 18, 1973
Primary view of Potamilus purpuratus, Specimen #676
Britton, Joseph
July 18, 1973
Primary view of Lampsilis hydiana, Specimen #273
Britton, Joseph
July 18, 1973
Primary view of Lampsilis teres, Specimen #372
Britton, Joseph
July 18, 1973
Primary view of Lampsilis teres, Specimen #373
Britton, Joseph
July 18, 1973
Primary view of Lampsilis teres, Specimen #374
Britton, Joseph
July 18, 1973
Primary view of Lampsilis teres, Specimen #376
Britton, Joseph
July 18, 1973
Primary view of Lampsilis teres, Specimen #378
Britton, Joseph
July 18, 1973
Primary view of Lampsilis teres, Specimen #379
Britton, Joseph
July 18, 1973
Primary view of Lampsilis teres, Specimen #380
Britton, Joseph
July 18, 1973
Primary view of Lampsilis teres, Specimen #381
Britton, Joseph
July 18, 1973
Primary view of Lampsilis teres, Specimen #382
Britton, Joseph
July 18, 1973
Primary view of Lampsilis teres, Specimen #383
Britton, Joseph
July 18, 1973
Primary view of Lampsilis teres, Specimen #384
Britton, Joseph
July 18, 1973
Primary view of Lampsilis teres, Specimen #385
Britton, Joseph
July 18, 1973
Primary view of Tritogonia verrucosa, Specimen #897
Britton, Joseph
July 18, 1973
Primary view of Quadrula mortoni, Specimen #982
Britton, Joseph
July 18, 1973
Primary view of Quadrula mortoni, Specimen #983
Britton, Joseph
July 18, 1973
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