Keefer, Thomas, C., 1821-1915, American Society of Civil Engineers · [S.l.] : American Society of Civil Engineers · leaf 46
various types of snow sheds, glance fence andsplit fence—also consolidation engine, tender and snow plough. PlateIX. Three photographs of snow sheds, showing also overflow of an ava-lanche at shed portal, and a deep snow cut at summit of Selkirks.Plates II, III, IV. Cut showing method of blasting… … gliMMlT. 3rTH^RQCK|pe »all pANADIAN fHUML ^AlLW/iv ?y III .. 1 £ ^ PRDFIt e of part of Maim Lins .ndthe Pacific, f\ v Is Cj VI.GARY™ SICAJVTOTT all Heavy Grades between the Atlantic■AtfD LocATiorJ op Sfiow SikDS. 5U^M,,LH?LlK^Ks J si *5 | j lb |, . § 4 — Shewing /,# A Jl/ 1 JtJi ^_Ji IS 1 —^ *V |»\…
Canadian Pacific Limited · Railroad engineering
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