Unusual system where each locomotive gathers its loads from working faces into trips ranging from 7 to 14 cars, proceeds directly to shaft bottom, picks up equal number of empties, and returns with them to working faces. (see also Coal Mine Mgmt., vol. 7, no. 6, July 1928, pp. 21-22, 1 fig)
A haulage system with gathering locomotives only
Min. Congress Jl
Mining Congress Journal ; 14 , n 7
1928
1 Fig.
Article (Journal)
English
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A haulage system with gathering locomotives only
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