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Coal-Mine Accidents In The United States 1939 - IntroductionBy W. W. Adams
Coal mining in the United States established a good safety record in 1939. The death and injury rates per man-hour of exposure to risk were favorable compared with most previous years, and the number
Jan 1, 1942
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Controlling Air Blast with Drone 3D ProfilingBy Tyler Rockley, Cara Rosen
Blasting at a granite quarry in eastern Maryland produces elevated air blast readings that can fall into the cautionary zone for the state of Maryland environmental regulations on a semi-regular basis
Feb 1, 2020
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The R W Miller Mount Thorley Project 1976û1986For over 50 years R W Miller & Co Pty Ltd operated old coal properties abandoned by former owners as uneconomic, some of which dated back to the last century. The companyÆs ability to survive with wha
Jan 1, 1998
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IC 8309 Review Of Bureau Of Mines Coal Program, 1965Advances were made during 19b5 in many phases of a broad program designed to increase efficiency in the mining, preparation, and utilization of coal. Also recorded were achievements in activities devo
Jan 1, 1966
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Benefits and Challenges of Progressive Design-Build Procurement— Atlanta Plane Train Project - NAT2022By John Murray, Daniel Ebin, Robert Gould
The Atlanta Plane Train project at Hartsfield-Jackson Atlanta International Airport employed the progressive design-build approach. This provided opportunities for collaboration between the design-bui
Dec 1, 2022
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Milestone Reservoir Quarry Project: Collaborative Design Development Using CMAR - RETC2023By Savita Schlesinger, Mike Hanna, Nathan Scalla, James O’Shaughnessy, Steve Miller
Loudoun Water’s Quarry A (Milestone Reservoir) project involves conversion of a rock quarry to a billion-gallon raw water reservoir. The project includes a new 40 MGD pump station, deep intake shaft,
Jun 13, 2023
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Construction — You need risk-based cost estimatingBy A. Moergeli, Philip Sander, John J. Reilly
"Estimating and managing the costs of complex infrastructure projects – in the planning/design and construction phases, for both owners and contractors – has been a challenge for decades. The more com
Apr 1, 2016
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Development and permitting of an underground mine at Cowal Gold OperationsBy J Northfield, L Neesham
The GRE46 Underground Project lies beneath the environmentally unique and culturally endowed shore of Lake Cowal. The ore body is open both along strike and at depth and is currently defined to a stri
Mar 15, 2021
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IC 7784 Molybdenum - A Materials Survey - With A Chapter On Geology And Resources By S. C. Creasey - Introduction And SummaryBy Wilmer McInnis
MOLYBDENUM, one of the more versatile alloying elements in modern metallurgy, was first isolated by Hjelm in 1782. The pure metal is silvery white and softer than steel. It melts at a higher temperatu
Jan 1, 1957
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Bulletin 174 Abstracts of Current Decisions on Mines and MiningBy J. W. Thompson
A mining company for a period of 12 years bad been selling its ore to a certain smelting company for the purpose of obtaining a continuous and steady market for its ore and for the purpose on the part
Jan 1, 1919
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IC 7904 Research And Technologic Work On Coal And Related Investigations, 1956 ? Introduction And SummaryThis report is the 21st in a series summarizing research and technologic work on coal and related investigations by the Federal Bureau of Mines - the Chard of the series published on a calendar-year b
Jan 1, 1959
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Significant Events In 1987 - National Economic PerformanceReal economic growth for the year will most likely exceed the Administration's estimate of 3.2%, up from 2.9% in 1986, unless consumers change their spending patterns more than expected as a resu
Jan 1, 1987
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The use of seawater in copper hydrometallurgical processing in Chile: A reviewBy V. Quezada, Á. Astudillo, L. Valásquez, M. Garcia
Seawater has become a viable alternative for different uses in copper hydrometallurgy. In this paper we review the main physical and chemical characteristics of seawater and how these influence copper
Jul 5, 2023
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Pw Technology In Energy Recovery: Bpsl Cdq ProjectBy Antonio Esposito
Saving energy and reducing resource’s consumption by minimizing emissions are today great challenges in the coking industry worldwide. In order to achieve satisfying results, equipment as well as tech
Aug 16, 2017
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Retrofit of Agrium’s Special Standard Surge Bin Improves Reliability, Safety, and Life Cycle CostBy T. Holmes, S. Davison
"A surge bin at Agrium’s Vanscoy potash operations has been plagued with flow, wear, and corrosion issues since being built in 1967. The culprits? The bin’s carbon-steel construction, geometry, and th
Jan 1, 2018
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RI 8839 - Laboratory Testing of Compressed-Oxygen Self-Rescuers for Ruggedness and ReliabilityBy Nicholas Kyriazi
The Bureau of Mines subjected three commercial compressed-oxygen self-contained self-rescuers to a series of laboratory treatments designed to simulate various environmental conditions in underground
Jan 1, 1983
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High Energy Rockfall Barriers: A Design Procedure for Different ApplicationsBy A. Grimod
The European Guideline ETAG 027 - 2008 (?Guideline for European Technical Approval of Falling Rock Protection Kits?) defines the procedures to test rock fall barriers. Nowadays, this guideline is esse
Aug 1, 2013
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Self-Cleaning Fluidized Bed Slurry Heat Exchangers: Processing of Laterite Ore Slurries for the Extraction of Nickel and Cobalt in High-pressure-Acid-Leach (HPAL) PlantsBy D. G. Klaren, E. F. de Boer
Self-cleaning fluidized bed heat exchangers have demonstrated unparalleled performance internationally for the implementation of indirect heat transfer in severely fouling fluid environments. The inge
Jan 1, 2004
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Evaluation of Post-Blast Re-Entry Times Based On Gas Monitoring of Return AirBy L. Yuan, J. H. Rowland, R. A. Thomas, D. Bahrami
Blasting is the main method of production in many non-coal underground mining operations and produces multiple toxic gases as a result. The Mine Safety and Health Administration (MSHA) requires mine o
Jan 1, 2019
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IC 8100 Minerals In Japan's Industrial EconomyBy K. P. Wang
The foundation of Japan's growing industrial and economic strength lies primarily in minerals, power, and technical know-how. Domestic raw material resources cannot supply domestic demand, and im
Jan 1, 1962