| Thumbnail | Subject(s) | Description | Add to Shoebox |
|---|---|---|---|
|
Calumet & Hecla Stamp Mill |
Metal Trade, Copper Industry and Trade, Manufacturing Process, Mills and Millwork, Buildings |
Calumet & Hecla Stamp Mills. Hecla Mill [Interior view of building showing various pieces of machinery] Scanned: October 10, 2006 |
|
|
Calumet & Hecla Stamp Mill |
Metal Trade, Copper Industry and Trade, Manufacturing Process, Mills and Millwork, Buildings |
Calumet & Hecla Stamp Mills. Hecla Mill, Wash. [Interior view of the mill] Scanned: October 10, 2006 |
|
|
Calumet & Hecla Stamp Mill |
Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Buildings |
Calumet & Hecla Stamp Mill at shaft #4 [Stamp mill with Shaft #4 in the right side of the photograph] Scanned: October 16, 2007 |
|
|
Stamp Mills |
Manufacturing Process, Mills and Millwork, Metal Trade, Copper Industry and Trade, Buildings |
Wolverine and Mohawk Stamp Mills [A line of carts carrying copper rich rock wait to move into a stamp mill where the rock will be crushed] Scanned: September 27, 2007 |