13 October 2010

Underground railway at the Braden copper mine:

image from the Braden El Teniente copper mine  in 1941 (click either image for larger version)
underground RR

Compare the Braden 22-ton battery locomotive with the 4-ton Westinghouse used at the Kennecott-Alaska mine below: (click either image for larger view)

4-T Westinghouse


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