Bartsch and USFC 1907 Mississippi River Survey

14 public-domain plates in the archive

• Strophitus undulatus 12 Jul 1907
• Quadrula fragosa 16 Jul 1907
• Pleurobema cordatum 27 Aug 1907
• Quadrula quadrula 19 Jul 1907
• Quadrula pustulosa 24 Jul 1907
• Ellipsaria lineolata 8 Aug 1907
• Unionidae 27 Aug 1907
• Megalonaias gigantea 30 Aug 1907
• Pyganodon grandis 23 Jul 1907
• Amblema plicata 29 Jul 1907
• Quadrula pustulosa 6 Aug 1907
• Lasmigona costata 12 Jul 1907
• Lampsilis sietmani 21 Jul 1907
• Ellipsaria lineolata 29 Aug 1907