At open pit mine of Southwestern Illinois Coal Corp at Percy, Ill, longer haul dictated larger truck capacity; 15-ton trucks converted to 35-ton tractor trailer units; Diesel engines adopted for reliable power; good roads stressed to maintain efficiency.
Strip haulage tuned to new conditions at Streamline
Coal Age
Coal Age ; 48 , n 5
1943
3 pages
Aufsatz (Zeitschrift)
Englisch
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