Browse Subjects

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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


Canals - Portage

Locomotion, Boats and Boating, Workboats, Water, Lakes, Excavation, Dredging Upper Entry repairs to breakwater. [Photo of the breakwater and repair equipment.]

Scanned: March 6, 2008


Princess Point Map

Water, Rivers, Excavation, Dredging, Vicinity of Princess Point Portage River, Mich. Lake Superior [War Department Map of the Portage River inlet at Jacobsville, Mich.]

Scanned: December 5, 2005


Calumet and Hecla Mill

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Excavation, Dredging, C&H Mills and Dredge. [Photograph taken from an upper level, looking down at mill machinery and the walkways surrounding them.]

Scanned: July 9, 2013


Dredge on Torch Lake

Excavation, Dredging, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Water, Lakes Dredge on Torch Lake, most likely C&H in Hubbell [C&H No. 2].

Scanned: August 1, 2012


Calumet & Hecla Dredge

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Excavation, Dredging, Water Sand Dredge [View of the dredge which looks like a floating house.]

Scanned: October 13, 2009


Calumet & Hecla Dredge

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Excavation, Dredging, Water C & H Lake Reclamation Dredge #2 [View of dredge in lake and buildings on shore.]

Scanned: October 13, 2009


Calumet and Hecla

Excavation, Dredging, Water, Buildings C & H Dredge

Scanned: January 4, 2010


Calumet and Hecla

Excavation, Dredging, Water, Buildings C & H Dredge [Image of a dredge at the dock.]

Scanned: January 4, 2010