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Electrolytic Plant Section Drawings

Metal Trade, Copper Industry and Trade, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Calumet and Hecla Mining Company Electrolytic Plant Section Drawings. Designed by Worden Allen Company; Chicago, Milwaukee, Houghton.

Scanned: June 15, 2012


Electrolytic Plant Monitor Posts

Metal Trade, Copper Industry and Trade, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Calumet and Hecla Mining Company Electrolytic Plant, detail of monitor posts. Designed by Worden Allen Company; Chicago, Milwaukee, Houghton.

Scanned: June 15, 2012


MTU - Students

Education, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining Students examine the float copper dsplayed on the Michigan Tech campus. Specimans such as the one shown and the Ontonagon Boulder (also float copper) were evidence of the potential of copper mining in the area. The mining of copper and iron ore led to the need for a mining school. [Michigan Tech Centennial Page 239]

Scanned: May 18, 2009


Winter view of Rockhouse

Historic Sites, Historic Mines, Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining #1 R. House Tamarack (also #1 R.H. Isle Royal)

Scanned: May 9, 2014


Ahmeek Mill Lot Plan

Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Metal Trade, Copper Industry and Trade, Buildings Calumet & Hecla Consolidated Copper Companies. Lot plan, location & topography for all buildings of Ahmeek Mill in Hubbell, Michigan. Drawings made by Stone & Webster Engineering Corporation.

Scanned: August 13, 2014