. Building and repairing railways ... : Forming one of the series of the volumes comprised in the Revised and enlarged edition of The science of railways, . I ^■^.r^TTr-TT^^^^^;^;^:^^ ^f .^w\\\\\\\\\\VVV^U\\\UJW\VU\\Uv^WU;\\\V\Cv - r/i- s-<?*a. Fig. 83. EARTH BALLAST.—ILLINOIS CENTRAL RAILROAD. <^ 6 1 -0 1^ ••! X^ ; 9;l <?j^ i«« ^^m^. ^mm^. W^x XLjEJ;^^ « Fig. 84. CRUSHED STONE, 2 INCHES DIAMETER ON QUARRY SPAULS 4 TO 6 —N. Y, C & H. R R. R. STAJSBAEBS OF CONSTRUCTION. 183

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectrailroa, bookyear1906