Overhead system erected at Bingham mine of Utah Copper Company; savings from electric operation in less than 2 years absorbed initial cost of electrification of 7 mi. of tracks in car-dumper yard area; favorable results led to complete electrification of 65 mi. of tracks in 5 yr.; alignment of contact wire on waste dump, by attaching supporting structures to extended ties.
Electric ore haulage
Eng. Min. Jl.
Engineering and Mining Journal ; 131 , n 4
1931
2 pages
4 Figs.
Aufsatz (Zeitschrift)
Englisch
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