4 Bilder zum Thema "calumet and hecla county copper mine" bei ClipDealer

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Calumet and Hecla County Copper Mine shaft is framed by vivid blue sky. Brick shaft has hinged door for easy ash removal during the mining process.
Large metal, ash door sits at base of huge smokestack. Smokestack is a remnant of the Calumet and Hecla County Copper Mine in Calumet Michigan.
Large metal, ash door sits at base of huge smokestack. Smokestack is a remnant of the Calumet and Hecla County Copper Mine in Calumet Michigan.
Framed by blue sky, a tall, brick smoke stack represents industry in days past. Smokestack is part of the Calumet and Hecla County Copper Mine in Calumet, Michigan.

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