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Canals - Portage

Inland Navigation, Canals, Water, Lakes, Excavation, Dredging Portage Lake, Mich. [Image of a dredge in operation.]

Scanned: March 5, 2008


Canals - Portage

Inland Navigation, Canals, Water, Lakes, Excavation, Dredging U. S. Engineers Dredge "Gaillard" dredging lower entry. [Image of the dredge working on the lower entry of the canal.]

Scanned: March 5, 2008