Amphibians and reptiles of Washington State: Location data and predicted distributions. Volume 2 in Washington State Gap Analysis - Final Report, (K. M. Cassidy, C. E. Grue, M. R. Smith and K. M. Dvornich, eds.), Washington Cooperative Fish and Wildlife Research Unit, University of Washington, Seattle.
Shark found in the Ohio River at Manchester, OH. Early. speculation was that it was a bull shark was incorrect. Now identified. as being an Atlantic Sharpnose. - pic credit: Ledger Independent.
In 1915, a submarine (with long-dead operator) was discovered, sunk, in the Chicago River, The newspapers dubbed in the Fool Killer. It may have been a Phillips boat. The photo below (right) from the Chicago Daily News shows the boat being raised from the river.