Railroad Leveling, by means of two rodmen and a hand-car, whereby over 30 miles of levels are run in a day. Th. S. Hardee.
Surveying railroads
Trans ASCE
1877
5 pages
Article (Journal)
English
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Topography for surveying railroads
Engineering Index Backfile | 1884
|Engineering Index Backfile | 1937
|Engineering Index Backfile | 1913
|Engineering Index Backfile | 1894
Online Contents | 1997