Near Piqua, Ohio is the small town of Lockington. Here you will find a series of stone structures that look like medieval walls. The name of the town gives a hint as to what they were used for. The Miami and Erie Canal went from Lake Erie in Toledo to the Ohio River near Cincinnati. The two hundred seventy four foot long canal cut through the Ohio countryside and had to traverse several elevations with the highest summit being near Lockington. The stone structures are what remains of the seven locks used to cross over Loramie Summit.
The locks were used to raise and lower boats sixty-seven feet. They consisted of a pair of enormous gates. Boats would be situated between them and then they were closed. The water inside could then be raised or lowered to match the surrounding elevation. It was like a giant water elevator since water does not flow uphill. Construction on the locks began in 1833, and they went into use in 1845 when the Miami and Erie Canal was opened for boat traffic. It was not much longer after the canal was completed that the railroad began running tracks across Ohio. The railroads diminished the need for canals and a devastating flood in 1913 destroyed part of the canal, putting an end to the waterway. Not much remains of the Miami and Erie Canal today, but the remains of the old locks can still be seen in Lockington.
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