March 21, 2014 We went to Centennial Park and got to see the lake in the process of being cleaned out. We found mussels and snail shells
http://www.slideshare.net/mcclungmuseum/cumberlandian-mussel-types
http://www.slideshare.net/mcclungmuseum/cumberlandian-mussel-types
http://www.kidport.com/RefLIB/Science/Animals/Mollusks.htm
http://www.wisegeek.com/what-are-mollusks.htm#mussels