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MTU Experimental Mine

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Education, Postsecondary Education, Education, Higher, Engineering The entrance to the MTU experimental mines is located in East Hancock. The mine formerly was a ventilation shaft in the vast Quincy complex, and never was commercially mined. [Image of the ground level entrance to the mine.]

Scanned: January 15, 2009


Map of the Quincy Smelting Works

Engineering, Geography, Maps, Metal Trade, Copper Industry and Trade, Copper Mines and Mining Quincy Smelting Works

Scanned: June 2, 2015


Map of Quincy Smelting Works and Vicinity

Geography, Maps, Engineering, Metal Trade, Copper Industry and Trade, Copper Mines and Mining Quincy Smelting Works and Vicinity

Scanned: June 2, 2015


Isometric sketch of Calumet conglomerate lode

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Engineering, Surveying, Isometric sketch of Calumet conglomerate lode [Sketch map showing underground workings on the Calumet conglomerate ore body. Sketch shows locations of vertical and incline shafts.]

Scanned: July 5, 2006


Sketch of open stope in Calumet conglomerate lode

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Engineering, Surveying, Sketch of open stope in Calumet conglomerate lode [Sketch map showing underground workings on the Calumet conglomerate ore body. Sketch shows relation of shaft, shaft pillar, workig stope and older, caved stope.]

Scanned: July 5, 2006


Pyramid cut used on Calumet conglomerate lode drifting

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Engineering, Surveying, Pyramid cut used on Calumet conglomerate lode drifting [Sketch map showing number and direction of shot holes drilled within a typical drift of the underground workings on the Calumet conglomerate ore body. After drilling, these holes would be filled with explosives and fuses which would ignite the charges in the numeric order indicated.]

Scanned: July 5, 2006


Underground mine map, Forest Mining Company

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Engineering, Surveying, Section of the Forest Mine, Oct. 1st, 1852 [Map showing underground workings of the Forest Mine near Rockland, Michigan. Credit line at bottom reads "B.W. Thayer & Co. List. Boston." Map shows several shafts, winzes and drifts and includes illustrations of hoisting apparatus. Note is also made of "Indian Diggings" along surface.]

Scanned: July 3, 2006


Map of the Calumet Conglomerate Lode

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Engineering, Surveying, Map of the Calumet Conglomerate Lode [Map shows surface ownership of property with indication of location and direction of major shafts. Includes property of the Calumet and Hecla, La Salle, Osceola, Tamarack, Allouez, Centennial and Laurium mining companies.]

Scanned: July 3, 2006


Calumet & Hecla Mining Company - Hecla Mill Machinery Drawings

Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Calumet & Hecla Mining Company Hecla Mill, heads 1 to 6 - flotation 25 feet 3 tray dorr thickeners - details.

Scanned: September 9, 2014


Quincy Machine Shop Plan

Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Industries, Engineering "At the Quincy Mine Location, the biggest building boom occurred between 1892 and 1900. During this period the mine sunk several new shafts and greatly expanded its underground workings. Simutaneously, Quincy virtually rebuilt its surface plant to meet the increased demand for support services. In 1899-1900 the company erected this machine shop to augment both its repair and fabricaton facilities." [Architectural drawings for a machine shop, includes the west elevation (front) and the floor plan.]

Scanned: March 10, 2014