Falls of the Ohio
The Falls of the Ohio was the only major hurdle in Ohio River shipping in the early days of settling in today's United States west of the Appalachians. "Waterfalls" are actually a series of porosities formed by the relatively late erosion caused by a river flowing from the hard limestone rocks created during the Devonian period 386 million years ago. Louisville, Kentucky, and nearby Indiana - Jeffersonville, Clarksville and New Albany - owes their existence to waterfalls, as the barriers to the natural barrier at the end of the 18th century and the beginning of the nineteenth century meant the need for help from nearby residents. Knowing how to handle this 9-meter drop in about three kilometers. In the nineteenth century, the first waterfalls of the canal with sluices were built, which immediately ensured all-year sailing on the Ohio River, which was important for the settlement of the waterway, and then the waterfalls almost completely disappeared with McAlpine's...