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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 Search Again