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Scientific American, Vol. 89, No. 7 (1903) (1903)
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s of tance of the Ohio and its the Ohio at Louisville. tributaries, the Ohio and This canal is 2 miles long, Mississippi to-day forming and was completed in 1881. the greatest internal water- It carries a mean annual way system in the world, stage of 12 feet, giving with the possible exception… … “when raised, by a prop ducts which give the Ohio which catches at the bot- a vast annual traffic. The tom in a step of a hurter. Pittsburg district to-day, © 1903 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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