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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 21

An illustration from Manual of recommended practice for railway engineering and maintenance of way, 1905, leaf 21
ExcavationEmbankment1^: /eo- ^

Railroad engineering · Railroads

Internet Archive · Northeastern University Library · Public Domain Mark 1.0. Free to use for anything.

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