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Show DOUBLE TRACK ON S1THPACINC An Interesting; piece (t work is be- log pushed by the Southern Pacltlc 'on the western - slope of the Sierra : Nevada range, where the line drops I down to the valley of the S.icramn-! S.icramn-! to. This Is the building of a second track from Rocklln to Colfax, a distance dis-tance of thirty-two miles. The second sec-ond track will have a maximum gTada of 1 1-2 per cent, as against a grado I of 2.2 per cent on the old line. The ' new track," therefore, will be used for I eastbound trains and while serving in I the usual manner of a double track, ; the grade for the pull up the hill from the valley will bo considerably reduced. Tha.old line will be changed I somewhat where the second grade In-I In-I terferes with it, and while the work Is going reductions In curvature will I be made In the old line so that the whole will mean a vast Improvement I for that section of the country. |