Manual of recommended practice for railway engineering and maintenance of way (1905)
American Railway Engineering and Maintenance-of-Way Association · Chicago, Ill. : The Association · leaf 17
16 and 20 ft. (2) A width of 13 ft. between center lines of main tracks isrecommended. (3) Rock excavations should be taken out not less than 6 in. belowsubgrade. (4) No wasting should be allowed closer than 10 ft. from slopestakes. (5) That information on profiles as to distribution of materialbe… … CLASS A.
Railroad engineering · Railroads
Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.
