Browse Subjects

Thumbnail Subject(s) Description Add to Shoebox

Calumet and Hecla Mills and Reclamation Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Buildings, Shore Plant - Drag Belts

Scanned: December 3, 2009


Calumet and Hecla Mills and Reclamation Plant - Belt Conveyor

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Belt Conveyor [An interior photo showing conveyor belt in operation.]

Scanned: January 13, 2006


Calumet and Hecla Mills and Reclamation Plant - Regrinding Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Regrinding Plant - 8' x 72" Hardinge Mills [An interior photo showing two rows of ball mills. A man can be seen riding in an overhead crane.]

Scanned: January 13, 2006


Calumet and Hecla Mills and Reclamation Plant - Regrinding Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Regrinding Plant - Mineral loading [An interior photo showing two rows of ball mills. Photograph shows rail track wich runs beneath main floor and rail car can be seen.]

Scanned: January 13, 2006


Calumet and Hecla Mills and Reclamation Plant - Regrinding Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Regrinding Plant - Wilfley Tables [An interior photo showing two several Wilfely tables.]

Scanned: January 13, 2006


Calumet and Hecla Mills and Reclamation Plant - Leaching Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Leaching Plant - General View [An interior photo showing long building with several large round leaching tanks. The cover has been removed from the tank nearest the photographer. An overhead crane is visible.]

Scanned: January 13, 2006


Calumet and Hecla Mills and Reclamation Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Leaching Plant - Tank bottom showing grids.

Scanned: December 3, 2009


Calumet and Hecla Mills and Reclamation Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Leaching Plant - Tank bottom showing canvas.

Scanned: December 4, 2009


Calumet and Hecla Mills and Reclamation Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Leaching Plant - Distributor and feed launders.

Scanned: December 4, 2009


Calumet and Hecla Mills and Reclamation Plant - Leaching Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, , Leaching Plant - Tank Cover [An interior photo showing an overhead crane being used to remove the cover from one of the leaching tanks.]

Scanned: January 13, 2006