History of navigation improvements In 1885 the first Corps-built lock and movable dam project on the Ohio River was completed at Davis Island near Pittsburgh, Pa. In 1910, by passage of the Rivers and Harbors Act, Cong

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Date: 2013-01-23 16:02:57		History of navigation improvements In 1885 the first Corps-built lock and movable dam project on the Ohio River was completed at Davis Island near Pittsburgh, Pa. In 1910, by passage of the Rivers and Harbors Act, Cong Add to Reading List Source URL: www.lrl.usace.army.mil Download Document from Source Website File Size: 1,23 MB Share Document on Facebook