Title: Calumet and Hecla Mills and Reclamation Plant - Pontoon Line
Photographer: Unknown
Subject Headings: Metal Trade - Copper Industry and Trade - Copper Mines and Mining, Ships,
Condition: Good
Description: Pontoon Line [An exterior photo from a sand dredge on Torch Lake showing line of floating pontoons that carry electrical wiring to the dredge and piping to carry stamp sand slurry back to shore plant. Two smaller barges are visible in the foreground. Lake is partially frozen and Calumet and Hecla mill complex is visible in background.]
Source of Description: Lantern Slide Index [cataloger]
Institution: Michigan Technological University Archives and Copper Country Historical Collections
Donor: Calumet and Hecla
Date of Photo: undated
Medium: still image
Color: black and white
Size: 8.3 cm x 10.3 cm
Polarity: Positive
Image No: MS003-024-021
Collection Name: Calumet and Hecla Photograph Collection
Terms of Use: Rights to reproduce and distribute this image may be restricted. Contact the Michigan Technological University Archives and Copper Country Historical Collections for further information.
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