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 239
y Limits.Fire Limits.Street or Block Lines. Survey Lines. Preliminary Survey.___ Location Survey.^ Monumented Center Lines. Original Center Lines. U. S. Harbor Lines. ♦ Adopted, Vol. 8, 1907, pp. 114, 121-125, 134. 222 RECORDS, REPORTS AND ACCOUNTS. S^ecifq Kind sTh^-V, fences.Roads.… … Surface and Grade Lines.Contours. -Z North Point. Buildings and Villages. CHI 11 11 I Cities and Tbwns. rni II 11 1 ^^fff^^^^^!^,^,,,,,^,^^ Coal Outcrop. ^^ Test Opening./\ Opening ^y^ Mine in Operation. B M Bench Mark. B Shaft. /X Triangulation Station. Mine Tunnels. Q Property Corners and Survey…
Railroad engineering · Railroads
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