Browsing by Title "Galena with dolomite and sphalerite: Colorado, Lake County, Leadville, Black Cloud Mine"

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Galena with dolomite and sphalerite: Colorado, Lake County, Leadville, Black Cloud Mine

Date:2004

The mineral specimen comes from the Black Cloud Mine, located at Gold Hill, Leadville in the Leadville mining district, Lake County, Colorado. The Black Cloud Mine was operated in the 1960s until its closure in 1999 under ...