Browse Subjects

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Calumet & Hecla - Sand Leaching Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Buildings Sand Leaching Plant - Lake Linden, MI

Scanned: October 13, 2009


Calumet & Hecla - Sand Leaching Plant

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Buildings Sand Leaching Plant - Lake Linden, MI

Scanned: October 13, 2009


Calumet and Hecla

Buildings, Metal Trade, Copper Industry and Trade, Manufacturing Process, Mills and Millwork C & H Ahmeek Mill [Interior view of the mill and machinery.]

Scanned: January 5, 2010


Calumet and Hecla

Buildings, Metal Trade, Copper Industry and Trade, Manufacturing Process, Mills and Millwork C & H Ahmeek Mill [Interior view of the mill and machinery.]

Scanned: January 5, 2010


Calumet and Hecla Electrolytic Plant

Metal Trade, Copper Industry and Trade, Buildings, Manufacturing Process Electrolytic Plant [Interior view of plant showing workers and a sign stating 7 1/2 Ton Morgan Crane - The Morgan Engineering Co. Alliance. O.]

Scanned: January 7, 2010


Calumet and Hecla Drill Shop

Metal Trade, Copper Industry and Trade, Manufacturing Process, Calumet and Hecla Drill Shop [Interior view showing equipment.]

Scanned: January 18, 2010


Calumet and Hecla Drill Shop

Metal Trade, Copper Industry and Trade, Manufacturing Process, Manpower, Labor Calumet and Hecla Drill Shop [Interior view showing a worker standing next to an enormous wheel like piece of equipment.]

Scanned: January 18, 2010


Old C & H Mills

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Buildings Old C & H mills. [Expansive view of milling operations and surrounding buildings.]

Scanned: January 20, 2010


Old C & H Mills

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Buildings Old C & H mills. [View of milling operations and surrounding buildings.]

Scanned: January 20, 2010


Old C & H Mills

Metal Trade, Copper Industry and Trade, Copper Mines and Mining, Manufacturing Process, Mills and Millwork, Buildings Old C & H mills. [View of milling operations and surrounding buildings.]

Scanned: January 20, 2010