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Showing: 1 to 10 of 15800 matches for "fall"  Page   1   2   3   4   5   6   7   8   9  next TITLE Roof Fall Warning Device ? Objective  SUMMARY ... Roof Fall Warning Device Objective ... Approach The Bureau of Mines, through inhouse and contract recarch, has developed t he Roof Fall Warning Device. ... PUBLISHED 1990 TITLE Methods For Determining Roof Fall Risk In Underground Mines  SUMMARY ... Methods for determining roof fall risk in underground mines ... Why is a roof fall risk-assessment method important for improving miner safety? ... AUTHOR Iannacchione, A. ; Prosser, L. ; Esterhuizen, G. ; Bajpayee, T. TITLE Predicting Probable Roof Fall Areas In Advance Of Mining By Geological Analysis  SUMMARY ... PREDICTING PROBABLE ROOF FALL AREAS IN ADVANCE OF MINING ... Page 2. PREDICTING PROBABLE ROOF FALL AREAS IN ADVANCE OF MINING BY GEOLOGICAL ANALYSIS by ... AUTHOR Overbey, W. K., Jr. PUBLISHED 1973 TITLE Lake Superior Paper - On the Weight, Fall, and Speed of Stamps  SUMMARY Page 1. 84 WEIGHT, FALL, AND SPEED OF STAMPR. ON THE WEIGHT, FALL, AAD SPEED OF STAMPS. ... Page 2. WEIGHT, FALL, AKD SPEED OF STAMPS. 85 ... AUTHOR Munroe, H.S. PUBLISHED 1881 TITLE Hydraulic Tailings Fill Improvements ?Butte?1969? ? The Problem  SUMMARY Page 1. HYDRAULIC TA$LI.NGS FILL FROVEMENTS Ul'TE--1969 This paper isto be presented at the SME Fall Meeting - Rocky Mountain Minerals ... AUTHOR Yde, Harold F., Jr. PUBLISHED 1969 TITLE Greater Safety With Increased Productivity Coal Mining Operations  SUMMARY ... IMPROVED SAFETY Sane typical roof fall reduction experiences with resin boltinq follow: Western Kentucky Mine - Resin boltinq reduced roof falls by 80%. ... AUTHOR Beerbower, William B. PUBLISHED 1982 TITLE A Review Of Rock Support And Falls In Us Coal Mine Intersections - Preprint 09-132  SUMMARY ... and support details as well as unplanned falls of ground in the industry revealed some useful data concerning support use, seam details, fall dimensions, bolt ... AUTHOR Spearing, A. J. S. PUBLISHED 2009 TITLE Hydraulic Transport Systems For The Backfilling Of Deep Mines  SUMMARY ... There are two modes by which backfill is transported in a shaft column: free-fall or full-flow. ... The disadvantages of free-fall systems are as follows. ... AUTHOR Cooke, R. ; Lazarus, J. H. PUBLISHED 1993 TITLE Empirical Approach to Calculate Rock Loads in Coal Mine Roadways  SUMMARY ... following: (i) the roof-fall records obtained from various coal mines; (it1 the roof-fall case bistorieg published in literature; ... AUTHOR Unal, Erdal, Dr. PUBLISHED 1986 TITLE Coming Events  SUMMARY ... Sept. 3-6, AIHE, Industrial Minerals Div., annual fall reglonal meeting. Chlcago. Sept. 3-6, AIME, fall meeting, Palmer House, Chicago. Sept. 3-13, AIME. ... PUBLISHED 1952 Showing: 1 to 10 of 15800 matches for "fall"  Page   1   2   3   4   5   6   7   8   9  next Search Again