Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Wetlands - A Coal Mine Permitting Challenge
By Kent D. Gastreich
As the number of prime surface coal mining sites diminishes with time and with the potential for increased coal demand, areas that were previously not mined because of their difficult mining condition
Jan 1, 1980
-
Three Dimensional Analysis of Strain and Ground Surface Displacement Caused By Underground Mining in the Vicinity of Geotechnical Barriers
By Rafal Misa
In order to prevent the formation of mining damage or to reduce its reach, it is advisable to look for technical solutions which would enable effective protection of construction sites from the impact
Jan 1, 2014
-
Shaft Sinking at Rouyn Merger Gold Mine
By L. J. Cunningham
Introduction The property of Rouyn Merger Gold Mines, Limited, is in Rouyn and Joannès townships, Western Quebec, seven miles east of the town of Rouyn. Traversing it is the east-west trending Cadi
Jan 1, 1948
-
Sampling Design To Best Capture The Aging Of In-situ Tailings: Results And Lessons Learned
By John Rowson, Caitlin Brown, Kebbi Hughes, Joseph Esslifie-Dughan
The McClean Lake mill in northern Saskatchewan, Canada, is operated by Orano Canada Inc. and has been in production for the last 20 years. The tailings preparation process at the mill has been designe
Jan 1, 2020
-
RI 6339 compressive strength versus
By Robert T. Beckman
The results of a preliminary investigation of compressive strength versus length-diameter (L/D) ratios of potash specimens and the statistical treatment of the data are summarized in this report. The
Dec 1, 1963
-
RI 9038 Testing Materials for Support-Wall Construction
By Kenneth E. Hay
The Bureau of Mines collected coal and coal waste aggregate material from two different mine sites to determine their strength characteristics for use in concrete. The concrete would be placed undergr
Jan 1, 1986
-
OFR-66-77 Operational Start-Of Shift Inspection Procedures For Mobile, Self-Propelled Surface Mine Equipment
By Barton K. Cross
The objectives of this effort were to: 1) Develop and validate start-of-shift operational inspection procedures to be used by operators of mobile, self-propelled equipment used in surface mining opera
Jan 1, 1977
-
Institute of Metals Division - Diffraction Patterns and Crystal structure of Si3N4 and Ge3N4 (Correction, p. 316) - Discussion
By W. C. Leslie, R. M. Fisher, K. G. Carroll
J. S. Bowles and J. K. Mackenzie (Commonwealth Scientific and Industrial Research Organization, Mel- bourne, Australia)—The authors are to be congratulated for giving the first direct experimental pro
Jan 1, 1953
-
Experimental Procedure - Materials , Equipment, And Analytical Techniques
Four actual coal mine waters were used in various phases of the research program. All were from the Sewickley Creek area In Westmoreland County, Pennsylvania. The BCR designations, site locations, and
Jan 1, 1971
-
An Integrated Multi-Criteria Approach To Enhancing The Business Value Of Community Investment At Mine Sites
By A. M. Esteves
This paper addresses the question ?What constitutes the right level of investment in community goodwill?? Mining companies are still grappling with this subject even though the business case for commu
Jan 1, 2007
-
Determination of natural background concentrations of dissolved components in water at mining, milling and smelting sites
By R. L. Jones, D. D. Runnels, D. P. Dupon, D. J. Cline
To establish meaningful remediation goals and monitoring programs in areas disturbed by mining and associated industries, it is desirable to determine the natural concentrations of metals that existed
Jan 1, 1999
-
The Application Of An MIP Model To The Optimal Siting And Production Scheduling For A Centralized Coal Preparation Plant
By Raja V. Ramani, Ralph W. Barbaro
This paper presents an application of a Mixed Integer Programming (MIP) model to the problem of locating a centralized coal preparation plant and determining the production schedule for the mines. The
Jan 1, 1983
-
Acoustic Scanner Analysis of Borehole Breakout to Define the Stress Field Across Mine Sites in the Sydney and Bowen Basins, Australia
By S. MacGregor
The role of horizontal stress, its orientation and magnitude, in defining the behaviour of strata in underground coal mines has been well established. Poor panel layouts have led to gate end stress co
Jan 1, 2002
-
Evaluating Geotechnical Resiliency Solutions in New York City
By Karen C. Armfield, Gisele R. Passalacqua, Joanna Smith
When selecting a solution for improving resiliency at facilities, such as airports, utility and transit sites, there are many options to protect structures and equipment against potential flooding. Ea
Jan 1, 2018
-
The IMMS Code For Environmental Management Of Marine Mining: Review And Comments
By Philomene Verlaan
The Code for Environmental Management of Marine Mining (the Code) was adopted in 2001 by the International Marine Minerals Society (IMMS) following extensive and wide-ranging consultation, and updated
Jan 1, 2008
-
A novel method for the underground, disinfection of mine water by in situ chlorine generation
By D. D. Marsden, L. E. Kun
Although a regulation is in force that all water used underground shall be free of bacterial contamination, in practice it is often very difficult to accomplish this. The standard method of disinfecti
Jan 1, 1981
-
Design And Specification Considerations For Environmental Cutoff Walls
By Daniel Ruffing, Jeffrey Evans
Vertical cutoff, or barrier, walls are an integral part of environmental site remediation efforts. Vertical barriers are commonly deployed to limit the influx of clean ground water and/or to control t
-
Notes on the composition of pre- European copper and copper-alloy artefacts from the Transvaal
By H. M. Friede
Notes on the composition of pre- European copper and copper-alloy artefacts from the Transvaal by H. M. Friede. Ph.D. (Visitor) Seven copper artefacts (five ingots and two ornaments) found at prehisto
Jan 2, 1975
-
Depth Of Borings, Length Of Piles, Landslides, Erosion, And A Moose Hunt - A Case History Of A Comedy Of Mistakes
By Bengt H. Fellenius
An upgrading and straightening of a highway included building a bridge across a small river. A routine site investigation was initiated to determine the conditions for designing the foundation of the
Jan 1, 1987
-
An Operational and Cost Comparison of Trucks, Grasshopper Conveyors and RAHCO Mobile Stacking Systems for Heap Leach Stacking
By Martin H. Col, Thomas W. Steele
The ability to make a good profit in the mining industry is becoming more and more difficult. Typically, grades are lower, sites are more remote, and environmental restrictions are getting tighter tha
Jan 1, 1992