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Excerpt from Plans, Specifications, and Cost of Elevation of a Portion of the Tracks of the H. And N. Railway: A ThesisThe main difficulty to be met with in connection with track elevation is the maintenance of traffic with no delay whatever, during the time the construction work is going on. This requires that at least two tracks shall be kept open for traffic. The method

Title : Plans, Specifications, and Cost of Elevation of a Portion of the Tracks of the H. and N. Railway: A Thesis (Classic Reprint)
Author : G M Heinsen
Language : en
Rating :
4.90 out of 5 stars
Type : PDF, ePub, Kindle
Uploaded : Apr 10, 2021

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