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Scientific American, Vol. 60, No. 7 (February 1889) (1889)

leaf 10

An illustration from Scientific American, Vol. 60, No. 7 (February 1889), 1889, leaf 10
atively low such as the Etruria, the Umbria, the City of New York, elevation of the back-bone ridges on either side, es- tenance of the canal, after building, is estimated at etc. The canal will be, throughout, of a depth of 30 feet, $1,000,000 annually. It will be at once seen that these pecially… … PROFILE SHOWING LOCKS, DAMS, AND DEPTH OF CUTTINGS. probable revenue, render the outlook for the financial with Engineer R. E. Peary, as his principal assistant, cions, will be 80 feet. In earth excavations the bottom success of the undertaking extremely favorable and a numerous staff, made such a…

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