. The New England magazine. CHAPTER OF NORWAY. 237. THE ROADS OFTEN CROSS THEMSELVES. ^reat care, several layers of stone ofiifferent sizes being compactly putQto an excavation, with a top dress-Qg of very hard and sifted stone and•ver all a deposit of screened centre surface is raised andounded, while paved ditches and cul-erts afford ample drainage. Theteepest regular grade is four hundredeet to the mile, but eight hundredeet is reached on the remarkableoad from Narodal to Stallheim,vhere sixteen zigzags or switchbacksre required. Tunnels, projections onhe face of the precipice, s
. The New England magazine. CHAPTER OF NORWAY. 237. THE ROADS OFTEN CROSS THEMSELVES. ^reat care, several layers of stone ofiifferent sizes being compactly putQto an excavation, with a top dress-Qg of very hard and sifted stone and•ver all a deposit of screened centre surface is raised andounded, while paved ditches and cul-erts afford ample drainage. Theteepest regular grade is four hundredeet to the mile, but eight hundredeet is reached on the remarkableoad from Narodal to Stallheim,vhere sixteen zigzags or switchbacksre required. Tunnels, projections onhe face of the precipice, supported bygigantic walls of masonry runninglown for solid foundations to un-(^uessed depths, bridges straight andurved over ravines of incrediblelepth,—these are some of the difhcul-ies overcome by the engineer corps,t goes without saying that the ex->ense of this road building must fallargely upon the state, but the taxa-ion is cheerfully met for the ultimate general good. The roads often crossthemselves, and as the summit isneared one ca
Size: 1740px × 1436px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookpublisherbosto, bookyear1887
