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Search Results for "O & M cost of electric trolley wire loco haulage for underground mines"

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Showing: 1 to 10 of 85 matches for "O & M cost of electric trolley wire loco haulage for underground mines"  Page   1   2   3   4   5   6   7   8   9
TITLE Mining - Underground Haulage in Metal Mines 
SUMMARY ... In storage battery locomotives of the 1 M-ton type ... General Description, Cost Analy-
sis, and Future Planning at ... chromic oxide (Cr,O,), which is concentrated at ...
AUTHOR Ash, S. H.
PUBLISHED 1957
TITLE New York Paper - Electric Haulage Systems in Butte Mines (with Discussion) 
SUMMARY ... M-ToN, 18-IN. ... nincs n,nd after consulting with some of the cable c>.o)pnl)irs ... higher
voltage has many advantages to offset the increased first cost of battery ...
AUTHOR Woodward, C. D.
PUBLISHED 1923
TITLE Electric Blasting Practices Of The Tennessee Copper Company 
SUMMARY ... to a cost of $0.004 per ton for breaking and $o.ogs per ... The constant replacement
and cost of refills ... I f;lrtor of safely of 1)etter than r \\.:IS m:int:linetl. ...
AUTHOR Clay, R. G. ; Seaman, C. F.
PUBLISHED 1942
TITLE Materials Handling in Indian Lead-Zinc Mines – Status and Outlook 
SUMMARY ... area of shrinkage stopes using 0.1 to 0.2 m (O.13 to ... mines in India are still working
with 1.72 m (2.3 cu ... The cost of materials handling affects the minig costs ...
AUTHOR Basu, A. K.
PUBLISHED 1991
TITLE Papers - Mining - Mining Practices of the St. Joseph Lead Company in Southeast Missouri (Mining Technology, May 1943) 
SUMMARY ... 'M LEAD COMPANY IN SOUTEIEAST MISSOURI I ... of drift, or its cost equivalent in other
development advance ... Joe electric shovels over the tracks on the four-wheeled ...
AUTHOR Stockett, N. A.
PUBLISHED 1943
TITLE Underground Haulage in Metal Mines 
SUMMARY ... 18, 22, 38, 43, M The mines are in a flat or nearly flat formation, where it ... General
Description, Cost Analy- ... chromic oxide (Cr,O,), which is concentrated at a ...
AUTHOR Ash, S. H.
PUBLISHED 1956
TITLE New York Paper - Development of Mine Transportation in Clifton-Morenci District (with Discussion) 
SUMMARY ... and Las Vegas, N. M., these places being terminah ... chutes, and all accessories, involved
an enormous installation cost. ... in 5%-ton cars with electric motors and ...
AUTHOR Carmichael, Norman ; Kiddie, John
PUBLISHED 1924
TITLE The organization and mechanized colliery management of a large mechanized colliery 
SUMMARY ... but trolley-wire loco- ... 000 tonnes of coal per month, the price per tonne being
determined on a cost-plus- profit ... m EXPLOSIVE ID FAN WAITING PLACE [0 MINERS BOX ...
AUTHOR Thompson, G. C. ; Henderson, P. G.
PUBLISHED 1975
TITLE Washington Paper - Electricity and Haulage 
SUMMARY ... machine thus had one rnishap and stopped working for two hours, o tof four ... 1 n,m. ...
Also, to obtain an idea of the comparative cost of installing and running tail ...
AUTHOR Pocock, Francis A.
PUBLISHED 1890
TITLE Papers - Ventilation, Drainage, and Haulage - Shuttle-car Haulage (T.P. 2198, Coal Tech., May 1947) 
SUMMARY ... The introduction of a small electric- powered dozer may be the ... State o; Federal laws
and reg- 1 ... Cost per ton from the production unit is the deciding criterion ...
AUTHOR Mitchell, D. R. ; Kelley, J. H. ; Ash, Richard L. ; Morgan, J. D., Jr. ; McCracken, W. H. ; Bellano, William
PUBLISHED 1949
Showing: 1 to 10 of 85 matches for "O & M cost of electric trolley wire loco haulage for underground mines"  Page   1   2   3   4   5   6   7   8   9

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