The Seneca were defeated by General Anthony Wayne's forces during the Northwest Indian War and left the area under the terms of the Treaty of Greenville.

[3] An unsolved murder case is associated with the then Pymatuning Swamp: in 1932 by herpetologist Norman Edouard Hartweg, while he was searching for reptiles, ran into a body of a lady.

[3] The Pennsylvania legislature took action again in 1917, this time approving a $400,000 budget under the condition that the needed land in Ohio be purchased by the private sector.

The bridge is crowned in the middle, with tall pillars and broad ducts underneath to allow lakewater to flow freely across the reservoir, and to permit the passage of sailboats and other pleasure craft travelling from one half of the lake to the other.

A parking area along the spillway serves a popular warm-weather attraction commonly known as "where the ducks walk on the fish" because visitors throw bread to the thousands of carp and Canada geese who congregate there.