At No. 2 1/2 Mine of Standard Coal Co Inc, Standard-ville, Utah, mother belt is being used successfully to pull coal from shuttle cars up 7% grade; combination of loaders, shuttle cars and belt has substantially increased production; unusual feature is operation in territory where lower seam has been mined and caved.
Belt pulls shuttle car output up 7 percent grade at Standard
Coal Age
Coal Age ; 52 , n 9
1947
4 pages
Aufsatz (Zeitschrift)
Englisch
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