Cover Crane W.R. Ore Mining Methods
Id: 151715

Ore Mining Methods

220 pp. (English).

Summary

220с

COMPRISING

DESCRIPTIONS OF METHODS OF SUPPORT IN EXTRAC TION OF ORE, DETAILED DESCRIPTIONS OF METHODS OF STOPINGf AND MINING IN NARROW AND WIDE VEINS AND BEDDED AND MASSIVE DEPOSITS INCLUDING STULL AND SQUARE-SET MINING, FILLING AND CAVING METHODS, OPEN-CUT WORK AND A DISCUSSION OF * COSTS OF STOPING

BY

WALTER R. CRANE, Ph.D.

i^y^ jean of the school of mines and metallurgy, and professor of mining, the ...(More)pennsylvania state college

It

FIRST EDITION FIRST THOUSAND

NEW YORK

JOHN WILEY & SONS London: CHAPMAN & HALL, Limited iqio