Photo 279628, (c) Michael Gras, M.Ed., some rights reserved (CC BY), uploaded by Michael Gras, M.Ed.

Attribution © Michael Gras, M.Ed. some rights reserved Uploaded by mikegras Source Flickr Original http://www.flickr.com/photos/mikegras/8557547687/ Associated observations Photos / Sounds What River Mussels (Family Unionidae) Observer mikegras Date March 2013 Place Private Date Added March 24, 2013 08:00 AM CDT 6 IDs Needs ID View Sizes small medium large original