Category:Calumet and Hecla Mine

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English: Locality: Calumet & Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USA (Locality at mindat.org)
Deutsch: Fundort: Calumet & Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, Vereinigte Staaten (Fundort bei mindat.org)