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Steam Excavator

Steam Excavator.jpg Beginning a TunnelThumbnailsMaking an EmbankmentBeginning a TunnelThumbnailsMaking an EmbankmentBeginning a TunnelThumbnailsMaking an EmbankmentBeginning a TunnelThumbnailsMaking an Embankment
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On the prairies of the West the road-bed is thrown up from ditches on each side, either by men with wheelbarrows and carts, or by means of a ditching-machine, which can move 3,000 yards of earth daily. In this case the track follows immediately after the embankment, and the men live in cars fitted up as boarding-shanties, and moved forward as fast as required.

Author
The American Railway
Its Construction, Development, Management, and Appliances
Thomas Curtis Clarke
Theodore Voorhees
John Bogart
and others
Available from gutenberg.org
Dimensions
600*369
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799
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