. American engineer and railroad journal . n is from a photograph of a partyengaged in making borings in the bed of the Irtish Riverin Siberia at the point chosen for the crossing of the Sibe-rian Railroad. Analogous profiles should be made of the normal por-tions of the river selected for the determination of dis-charge ; but it will not be necessary to make borings atthose points. (to be CONTINUED.) Vol. LXVI, Ko. ENGINEERING JOURNAL. 40s BUILDING AN UNDERGROUND RAILROAD. The Glasgow Central ! is a city lino, chieflyiiiulerground, wiiicli is now under construction throughthe city of


. American engineer and railroad journal . n is from a photograph of a partyengaged in making borings in the bed of the Irtish Riverin Siberia at the point chosen for the crossing of the Sibe-rian Railroad. Analogous profiles should be made of the normal por-tions of the river selected for the determination of dis-charge ; but it will not be necessary to make borings atthose points. (to be CONTINUED.) Vol. LXVI, Ko. ENGINEERING JOURNAL. 40s BUILDING AN UNDERGROUND RAILROAD. The Glasgow Central ! is a city lino, chieflyiiiulerground, wiiicli is now under construction throughthe city of (.lasgow, in Scotland, froni tlie DalmarnockViaduct, on the Caledonian Railroad, to a double terminus consists in taking up the roadway and substituting timber-ing to carry the traffic ; such timl)ering being supportedby the piles already driven. Tunneling then proceeds be-neath the timbered street, and were it not for the man-holes here and there, through which soil is being broughtup or material lowSred down, few persons would be aware. Tio, 3.—TTUK8v»a3» Sbctioh of Covebm) Way for Cxktral Station. Teokoatb Section Pio. 4.—ly^NorrcDiNAL Section or Covbked Wat ron Obktilal Station.


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering