Within the entire length of the Ohio River, there was only one place where rock reef extended across the river for a stretch of three miles – The Falls of the Ohio. This area of water was a low water slope, dropping around thirty feet over the three miles and made it practically impassable by cargo and transportation vessels in the early 1800s except when the water level was high; even then, it was treacherous.
This article consists of a safety summary and a personal interview from the McAlpine Locks and Dam Lockmaster, Jay Rickman.