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Scientific American, Vol. 80, No. 5 (February 1899) (1899)

leaf 10

An illustration from Scientific American, Vol. 80, No. 5 (February 1899), 1899, leaf 10
half buried cost of the new canal. Of late years, however, owing to the employment The New Panama Canal.—The International in the mud, anchored by long glass-like streamers. of negroes from the British Antilles who are used But once dead and relieved of its covering, it becomes Commission find that… … extreme height above the bed of the river is 75% feet, At the meeting of the Boston Society of Natural GLASS SPONGE FROM SANTA CATALINA ISLAND, CAL. and above the foundation 93% feet. This dam will History, January 22, 1879 (Proc. B. S. N. H., volume xx., create a vast artificial lake, which will…

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