Ore transportation, known as tramming at Alaska Juneau, includes chute construction and repairs, loading, hauling, track maintenance, locomotive and car repairs, dumping and tipple maintenance; transportation flow sheet; building loading chutes; track gage is 30 in. and grade 0.5 per cent in favor of load; 50-lb. rails on 6 by 8-in. fir ties, spaced 2 ft. apart; power supply; trolley locomotives; operating costs.
Ore transportation at the Alaska Juneau mines
Min. Met
Mining and Metallurgy ; 12 , n 290
1931
3 pages
1 Fig.
Aufsatz (Zeitschrift)
Englisch
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