Slideshows

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Dana Mining Company, 1851-1857 (1.29 MB)

Dana mine slideshow, Keweenaw county copper mining history, abandoned mine survey PNGinc

Madison Mine, Summit-Madison Mining Company, 1852-1882 (1.07 MB)

Madison Fissure Mine slideshow

 Drexel Mine, Amygdaloid Mining Company 1860-1868 (904 KB)

Drexel Mine show, Keweenaw copper history

Northwestern Fissure Mine, Keweenaw Copper Mine Survey (14.2 MB)

Northwestern Fissure Mine show - PDF

Delaware Copper Mine Tour, Keweenaw Michigan (6.7 MB)

Delaware Mine Tour - PDF

Phoenix Linear Solar Grid Array Show

Phoenix Linear Solar Grid Array - slideshow

 

PNGinc, renewable energy, slideshows, Northwestern Fissure Mine, Delaware Copper Mine Tour, Drexel Mine, Keweenaw, Michigan, copper mining, Phoenix Linear Solar Grid Array, Ken Rieli, solar engines, turbine generator

 

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