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Luncheon SpeechBy Lowell T. Harmison
I appreciate very much the invitation to speak with you and the opportunity of bringing you messages from both the Secretary of the Department of Health and Human Services and the Assistant Secretary
Jan 1, 1981
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The Cadia Gold Copper Project Exploration To Start UpThe Cadia Mine is located 25kms South West of Orange in the central west of New South Wales (NSW), Australia (Figure 1). Orange is a major regional centre with a population of 35,000 people. Cadia has
Jan 1, 1999
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Advance In TunnelingBy Norman A. Nadel
Those of us who have directed our efforts toward the construction of tunnels have long maintained that tunnel construction is more closely an art than it is a science. We have spent time underground w
Jan 1, 1970
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Development Of Technology For The Beneficiation Of Hematite OresBy N. P. Titkov
This paper presents the results of laboratory and pilot plant investigations for the development of efficient methods of beneficiating hematite ores from the Krivoi Rog, Kursk Magnetic Anomoly, Olenog
Jan 1, 1960
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Coal Mining In Alaska's InteriorBy P. Corser
Operational and geotechnical constraints on mining within steeply dipping deposits and historic landslide areas, which are characteristic of subarctic coal deposits in Alaska, will be discussed. The c
Jan 1, 1988
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Attenuation of Mechanical Vibration During Transmission to Human Body Through Mining Vehicle Seats - Mining, Metallurgy & Exploration (2021)By AMIT SHARMA, BIBHUTI BHUSAN MANDAL
Operators of mining vehicles are exposed to high levels of whole-body vibration (WBV) and are therefore at risk of developing vibration-related health disorders. For implementing an effective control
Mar 12, 2021
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Solving Process Engineering and Flowsheet Design Challenges With Limn®By A. Noble
For the past 30 years, process flowsheet design has been accomplished largely through modeling and simulation. This approach provides circuit designers the freedom to test various separation approache
Feb 23, 2014
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Rehabilitation of Lucky Friday?s Silver ShaftBy D. Berberick
On January 5, 2012, the Mine Safety and Health Administration ordered the closure of the Silver Shaft, the primary underground access to Hecla?s Lucky Friday Mine, for removal of built up backfill mat
Feb 23, 2014
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Impact of operating parameters on the breakage process of talcBy Diler Katircioglu-Bayel
The effects of the operating parameters of media filling ratio, solid mass fraction, grinding media size and grinding time on the stirred media milling of talc were studied. The findings were assessed
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Major Mines, Mineral Processing Operations, And Mineral Resources In The U.S. Mexico BorderlandsBy D. K. Marjaniemi
The U.S. Bureau of Mines inventoried and characterized mineral sites and production plants within 200 km of the border in both the U.S. and Mexico. Sources of information included the USBM Minerals Av
Jan 1, 1996
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Government Regulation Of Subsidence Due To Underground Coal Mining And Its Impact On Future Subsidence Research - Background Of The Surface Mining Control And Reclamation Act And Federal Subsidence Control RegulationBy C. Y. Chen
In order to put an end to the uneven environmental standards and enforcement established by various coal mining States in the United States, the Congress passed and the President signed the Surface Mi
Jan 1, 1985
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The Importance of Wastewater Treatment Plants for Tunneling Projects - NAT2024By G. Vogt
Water is one of the most important ressources of our planet. Unlike many other natural resources, water cannot be substituted by anything and must therefore be handled with the utmost care. Depending
Jun 23, 2024
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Construction of TBM-Mined Segments of the Sister Grove Outfall Pipeline - RETC2023By Ricky Chipka, Roshan Thapa, Richard Yovichin, Greg Rogoff, Patrick Niemuth
A 4.5-mile-long, 96-inch-diameter outfall pipeline was constructed between North Texas Municipal Water District’s proposed Sister Grove Regional Water Resource Recovery Facility and the Stiff Creek Di
Jun 13, 2023
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Electronic Anemometry - Recommended Instruments & Methods For Routine Mine Airflow Measurements.By Stephen G. Hardcastle, Michel G. Grenier, Kevin C. Butler
Today there are numerous electronic rotating vane and thermal (hot-wire) anemometers, as well as vortex meters available to measure air velocity. Of these, a laboratory and field evaluation has found
Jan 1, 1993
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Conventional Excavation of New Inlet/Outlet Tunnel for Newell Creek Dam, CA - NAT2022By Kexin Cai, Isidro Rivera, Shawna Von Stockhausen, Maria Chastka, Kevin Huynh
The Newell Creek Dam Inlet/Outlet Replacement Project is located approximately 11 miles north of Santa Cruz, California along Highway 9 in the San Lorenzo Valley. This project will replace the existin
Dec 1, 2022
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Industrial Minerals Problems And Needs In Chemical ManufacturingBy Wallace W. Key
Problems of marketing industrial minerals to chemical manufacturers are manifold. In addition to the difficulty of establishing demarcation lines between "crude" and "processed" industrial (nonmetalli
Jan 1, 1965
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Occupational Health And Safety Of Workers In Saskatchewan Uranium MinesBy John R. Alderman
INTRODUCTION Uranium production in Saskatchewan commenced in 1953 at the Eldorado Nuclear Mine in the Beaverlodge area of North Saskatchewan, followed over the next few years by nineteen other smal
Jan 1, 1981
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Numerical Investigation for Estimation of Behaviour of Barrier Pillars, Gateroads and Face of a Deep Longwall Mine: a Case Study - Mining, Metallurgy & Exploration (2024)By Avula Rajashekar Yadav, Sreenivasa Rao Islavath
Barrier pillars and gateroads play a vital role for the safe exploitation of coal from the panel in the longwall workings. The barrier pillars and gateroads are subjected to the front abutment and sid
Dec 29, 2023
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Beneficiation Of Mining Machines At The Ireland Mine By Design ChangesBy Evan Adams
The Ireland Mine is located some seven miles South of Moundsville West Virginia, along the bank of the Ohio River. We are mining the Pittsburgh #8 seam. This seam is approximately 60" in thickness, an
Jan 1, 1964
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Decaking Of Coal ? IntroductionBy Stanley J. Gasior
Most bituminous coal mined near Eastern industrial areas requiring high Btu pipeline gas is caking and therefore unsuitable for fixed-bed pressure gasification by present techniques. If the caking pro
Jan 1, 1965