Scioto River / Little Darby Creek / Siding Hill Creek / Susquehanna River / /
Organization
Freshwater Mollusk Conservation Society / Upper Mississippi River Conservation Committee / Pennsylvania Department of Environmental Protection / Ohio Division of Wildlife / and the Ohio Biological Survey / Ohio State University / Columbus / G. T. WATTERS Department of Evolution / Ecology and Organismal Biology / Malacological Society of London / Academy of Natural Sciences of Philadelphia / the Ohio State University / /
Person
Brian Kemmenoe / Kathy Wolken / Steve Chordas / Mike Brittsan / Tom Proch / /