Equipment used at three open pit mines, each using ore and waste handling equipment which has capacity in proportion to size of mining operations; developments in capacities and horsepower, especially in hauls of over 5000 ft and lifts of several hundred feet; problems of maintenance of trucks at Minnesota taconite mine; truck fleet at Berkeley pit at Butte has been expanded to where it now contains more than 150 units, consisting of 34, 45, 60, 65 and 85 ton capacity vehicles.
Truck Haulage and Excavation
Min Congress J
Mining Congress Journal ; 51 , n 5
1965
6 pages
Article (Journal)
English
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