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9 feet accomplished administration annual annum approximately arteries assigned assured back barges bars building celebration centuries channels Cincinnati cities commerce completion comprised connected construction continue cost courage delay desirable development direct engineer entirely establish expedite expenditure extend failure farmers feet in depth feet of water find five forefathers Government half history improvement increase independent homes inland inventions journey Lakes Lawrence less lines long look forward Louisville lower Mississippi main trunk manufacturer march Mark mentioned method miles million Mississippi system modern waterway move Nation natural naval navigation North observations ocean-going vessels Ohio River operation Orleans outlay Panama Canal past patchwork period pioneered Pittsburgh place policies present President private program projects public service race ramifications representatives responsibility rich route section segments sense single snags spread steamboatin stream succeeding task tion to-day tons traffic transformation transportation system travel tributaries triumph undertake valley vision volume West wisdom wish women