Colorized lithographic image of a river scene along the Ohio River with two steamboats. The one in the background is the Island Queen, and the one in the foreground has the words Cincinnati Gymnasium Boat Club on the side.
Colorized photo image of two steamboats along the Ohio River in moonlight. corners of card are clipped off. The boats are named "Island Queen" on the far side and "Cincinnati Gymnasium Boat Club" in the near view.
Color photomechanical print of Lock and Dam facing Kentucky; Dam 31 Housing in background.
In 1920, Dam 31, just 2 ½ miles west below the city, was dedicated.
At a cost of over $1,000,000, and over 200 men, the dam took nearly eight years to complete due to weather delays.
In 1956, the Federal government eliminated dam 31, and it was demolished in 1964.