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The great Chicago Canal. The New Era grader. The high power steam derrick. The Bates hydraulic dredge. The Brown cantilevers. Cable hoisting and transferring machinery.
Source: Steve Kirch, collector, and creator of a great website about SCIENTIFIC AMERICAN in the past
Restoration by: magscanner
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- Created on
- Monday 30 November 2009
- Posted on
- Monday 30 November 2009
- Keywords
- cargo, civil engineering, construction, Great Lakes, harbor, midwest, navigation, shipping, water
- Visits
- 1218