| Thumbnail | Subject(s) | Description | Add to Shoebox |
|---|---|---|---|
|
Calumet and Hecla Mills and Reclamation Plant - Ahmeek Mill Gravity Flow Sheet |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Engineering, |
Ahmeek Mill - Gravity Flow Sheet [A line drawing which diagrams the process, equipment and flow of rock through the Ahmeek Mill.] Scanned: January 11, 2006 |
|
|
Calumet and Hecla Mills and Reclamation Plant - Calumet Conglomerate Flow Sheet |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Engineering, |
Calumet Conglomerate Flow Sheet [A line drawing which diagrams the process, equipment and flow of rock through the Calumet mill and reclamation plant in Lake Linden.] Scanned: January 11, 2006 |
|
|
Calumet and Hecla Mills and Reclamation Plant - Flotation Flow Sheet of Calumet and Hecla Conglomerate |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Engineering, |
Flotation Flow Sheet of Calumet and Hecla Conglomerate [A line drawing which diagrams the process, equipment and flow of rock through the Calumet mill and reclamation plant in Lake Linden.] Scanned: January 13, 2006 |
|
|
Calumet and Hecla Mills and Reclamation Plant - Gravity Flow Sheet of Calumet and Hecla Reclamation Plant |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Engineering, |
Gravity Flow Sheet of Calumet and Hecla Reclamation Plant [A line drawing which diagrams the process, equipment and flow of rock through the Calumet mill and reclamation plant in Lake Linden.] Scanned: January 13, 2006 |
|
|
Calumet and Hecla Mills and Reclamation Plant - Sands Model |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Engineering, |
Reclamation Sands [An interior of an office space showing a large model made of dowels inserted vertically into pegboard. The dowels are painted dark and light colors.] Scanned: July 3, 2006 |
|
|
Calumet & Hecla Stamp Mill |
Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Metal Trade, Copper Industry and Trade |
Calumet & Hecla Stamp Mills. Hecla Mill, Wash Room. Scanned: September 10, 2014 |
|
|
Calumet & Hecla Stamp Mill |
Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Metal Trade, Copper Industry and Trade |
Calumet & Hecla Stamp Mills, sand leaching plant. Scanned: September 10, 2014 |
|
|
Calumet & Hecla Stamp Mill |
Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, Metal Trade, Copper Industry and Trade |
View of part of the Calumet & Hecla Stamps from Torch Lake, Hecla Sand Wheel House, W.W. Boiler House, Water Works, Hecla Mill, Co's Dock and Steamboat L'd'g. Scanned: September 10, 2014 |
|
|
Calumet and Hecla Stamp Mill |
Engineering, Historic Sites, Historic Mines, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining |
Calumet and Hecla Stamp Mills, Head Foundation. Calumet Mill Heads No. 6, 7, 8, 9, 10 and 11. Scanned: June 8, 2012 |
|
|
Calumet & Hecla Mining Company - Hecla Mill Drawings |
Engineering, Natural Resources, Mines and Mineral Resources, Copper Mines and Mining, |
Calumet & Hecla Mining Comany, Hecla Mill wash heads. Foundation walls and launders plan. Scanned: September 9, 2014 |