Ohio Department of Natural Resources. "Major Ohio Watersheds"(PDF). A Guide to Ohio Streams. Archived from the original(PDF) on 2006-12-09. Retrieved 2007-01-08.
Ohio Department of Natural Resources. "Major Ohio Watersheds"(PDF). A Guide to Ohio Streams. Archived from the original(PDF) on 2006-12-09. Retrieved 2007-01-08.