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Scientific American, Vol. 42, No. 5 (1880) (1880)
leaf 7
Several square miles are annually informed, is the only one in this country exclusively occu- cut off to furnish it with freight, which runs up to about a pied by this kind of work. deepens, the sand box, and with it the finished curb built half million tons each year. Like many of these roads it… … © 1880 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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