Principles of mining : valuation, organization and administration; copper, gold, lead, silver, tin and zinc . Fig. 15. —Cross-section of station arrangement for .skip-haulage in vertical shaft. Pig. 16. — Cross-section of station arrangement for skip-hatilage in vertical shaft. 85 86 PRINCIPLES OF MIXING. not required at every station. Figures 15, IG, 17, and 18illustrate various arrangements of loading bins. Crosscuts. — Crosscuts are for two purposes, for roadwayconnection of levels to the shaft or to other levels, and forprospecting purposes. The number of crosscuts for roadwayscan sometime
Principles of mining : valuation, organization and administration; copper, gold, lead, silver, tin and zinc . Fig. 15. —Cross-section of station arrangement for .skip-haulage in vertical shaft. Pig. 16. — Cross-section of station arrangement for skip-hatilage in vertical shaft. 85 86 PRINCIPLES OF MIXING. not required at every station. Figures 15, IG, 17, and 18illustrate various arrangements of loading bins. Crosscuts. — Crosscuts are for two purposes, for roadwayconnection of levels to the shaft or to other levels, and forprospecting purposes. The number of crosscuts for roadwayscan sometimes be decreased by making the connections withthe shaft at every second or even every third level, thus not
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillb
