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Showing: 1 to 10 of 16000 matches for "hard rock"  Page   1   2   3   4   5   6   7   8   9  next TITLE DEVELOPMENT OF NIOSH HARD-ROCK SAFETY TRAINING MATERIALS  SUMMARY DEVELOPMENT OF NIOSH HARD-ROCK SAFETY TRAINING MATERIALS Elaine T. Cullen ... Currently, SRL has over 50 hours of raw footage shot in underground hard-rock mines. ... AUTHOR Cullen, Elaine T. TITLE Area Illumination In Room And Pillar Hard Rock Mines  SUMMARY ... 77-AU-386 AREA ILLUMINATION IN ROOM AND PILLAR HARD ROCK MINES ... Some similarity in the envi- ronment in which coal and hard rock miners work has allowed the ap- ... AUTHOR Weakly, L. Alan PUBLISHED 1977 TITLE Empirical Approach For Drift Blast Design In Hard Rock Mines  SUMMARY ... PREPRINT NUMBER 91-61 EMPIRICAL APPROACH FOR DRIFT BLAST DESIGN IN HARD ROCK MINES S. P. Singh Laurentian University Sudbury, Ontario, Canada ... AUTHOR Singh, S. P. PUBLISHED 1991 TITLE Mining Of Medium Hard Rock Without Blasting By Means Of Cutting. Experiences And Economics Of The Wirtgen Surface Miner  SUMMARY ... 97-86 MINING OF MEDIUM HARD ROCK WITHOUT BLASTING BY MEANS OF CUTTING. EXPERIENCES AND ECONOMICS OF THE WIRTGEN SURFACE MINER ... Also hard rock can be milled. ... AUTHOR Schimm, B. PUBLISHED 1997 TITLE A Hard Rock Narrow Reef Mining Machine - ARM 1100  SUMMARY Page 1. A HARD ROCK NARROW REEF MINING MACHINE—ARM 1100 207 ... A hard rock narrow reef mining machine—ARM 1100 KA MOXHAM Lonmin Platinum ... AUTHOR Moxham, K. A. PUBLISHED 2004 TITLE Drilling – Equipment, Methods and Materials - Effect of Low Frequency Percussion in Drilling Hard Rock  SUMMARY ... Hard Rock INTRODUCTION E. TOPANELIAN, JR. ... standard tricone, hard rock toothed roller bits and carbide-insert roller bits were used. Rotary speeds were ... AUTHOR Topanelian, E., Jr. TITLE Roadheader Development for Hard Rock Mining  SUMMARY ... 95 246 Roadheader Development for Hard Rock Mining ' •. ... 1 ROADHEADER DEVELOPMENT FOR HARD ROCK MINING Levent Ozdemir l , Jamal Rostami I, David M. Neil 2 ... AUTHOR Ozdemir, Levent PUBLISHED 1995 TITLE Wastes Associated With A Fractured Hard Rock Mine  SUMMARY ... NUMBER PO BOX 625002 • LITTLETON, COLORADO· 80162-5002 WASTES ASSOCIATED WITH A FRACTURED HARD ROCK MINE R. E. Williams University of Idaho Moscow, Idaho ... AUTHOR Williams, R. E. PUBLISHED 1990 TITLE Development Of Prototype Quiet Hard Rock Stoper Drill - Volume II  SUMMARY ... DEVELOPMENT OF PROTOTYPE QUIET HARD ROCK srOPER DR lL VOLUME II ... S. Dete DEVE LOPlvlENT OF PROTOTYPE QUIET HARD ROCK January 1986 STOPER DRILL - VOLUME II L ... AUTHOR Patterson, William N. PUBLISHED 1985 TITLE Chemomechanical Phenomena in Hard Rock Drilling  SUMMARY Page 1. Chemomechanical Phenomena in Hard Rock Drilling by A. RC Westwood, N. M. Macrnillan, and R. S. Kalyoncu The environment-sensitive ... AUTHOR Westwood, A. R. C. ; Kalyoncu, R. S. ; Macmillan, N. M. PUBLISHED 1975 Showing: 1 to 10 of 16000 matches for "hard rock"  Page   1   2   3   4   5   6   7   8   9  next Search Again