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Some Aspects Of The Competition Between Fuels In The United StatesBy Eugene F. Eisemann
This paper is concerned principally with the competition between fuels for industrial use in the United States. Total energy consumption in the U. S. is allocated between industrial and other uses The
Jan 1, 1961
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The Extraction Of Mineral Resources From Great Salt Lake, Utah: History, Developmental Milestones, And Factors Influencing Salt ExtractionBy J. Wallace Gwynn
Salt from Great Salt Lake was probably used by the Native Americans prior to the Jim Bridger Expedition to the lake in 1824-25, and was used by the region's early explorers and trappers after tha
Jan 1, 2001
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HMX Based Electronic Initiation System for Blasting in High Temperature Ground and/or Extremely Reactive Ground - SME Annual Meeting 2024By D. Scott Scovira, Karl Dufresne
Blasting in geothermally high temperature ground and/or extremely reactive ground is an increasing common challenge for surface and underground mines. Many current PETN based non-electric and electron
Feb 1, 2024
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Peruvian Mining Convention Highlights Mining?s Development And ImportanceThe 25th Peruvian Mining Convention (Convención de Ingeneieros de-Minas del Perú) was held Sept. 10-14, 2001, in Arequipa, Peru. The biennual meeting, sponsored by the Peruvian Institute of Mining En
Jan 1, 2001
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Regulatory Status Of Waste Clay Ponds In FloridaBy Stephen H. Partney
Waste clay ponds are a necessary part of phosphate rock beneficiation. They are large, averaging 2.6 km2 (1 sq mile). They are unsightly in that they protrude 6 to 15 m (20 to 50 ft) above natural gra
Jan 1, 1998
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Dust--A Major Environmental Hazard On The Earth's MoonBy G. Heiken
On the Earth's Moon, obvious hazards to humans and machines are created by extreme temperature fluctuations, low gravity, and the virtual absence of any atmosphere. The most important other envir
Jan 1, 1991
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Easy Areas for Improvement and Good Ideas I've Seen When Reviewing Plant Operations-From a Prominent Consultant in Base and Precious MetalsBy Terry McNulty
DOUG HALBE: I've decided that we're going to change tactics here and we're going to be nice to people from now on. [Co-chair makes gesture of intense disbelief; laughter] I've also
Jan 1, 1998
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Avoiding Disastrous Ground Failures During Longwall MiningBy R. J. Miller
Rock strata, natural and mining-induced stresses, and structural features can combine to create dangerous instabilities in or around longwall panels. Rock noises and properties variations associated w
Jan 1, 1996
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Perspectives On The Denver Brown Cloud StudyBy R. L. Pearson
The 1987-88 Denver Brown Cloud Study was performed to determine the sources of the particle cloud which forms over Denver each winter. The study was organized under the leadership of Colorado Governor
Jan 1, 1990
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Underground Coal Mining In The People's Republic Of ChinaBy N. B. Aughenbaugh
The People's Republic of China has 582 Gt (641 billion tons) of proven coal reserves. At present, 576.5 Mt (635.5 million tons) of coal are mined a year which makes China the third largest produc
Jan 1, 1982
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Construction of the Longest Road Tunnel in MexicoBy Miguel Angel Banuet Rodriquez, Hector Conceso Aragon
"Construction of the longest road tunnel in Mexico is part of Acapulco’s alternate roadway to the scenic roadway project. This article provides a brief summary regarding details of the construction si
Jan 3, 2018
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Low-Grade Chromium Resources (54cecfd3-73b4-4f78-a156-c5a91183b2b0)By Bruce R. Lipin
Chromite, the only ore of chromium, occurs almost exclusively in mafic-ultramafic rocks and their weathering products. However, not all kinds of mafic-ultramafic rocks are favorable hosts for possible
Jan 1, 1982
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Impact of Regulator Settings on the Formation of Explosive Gas Zones in Bleeder Ventilated Longwall GobsBy J. A. Marts, R. C. Gilmore, Jr. Bogin, S. Saki, J. F. Brune, J. W. Grubb
"Researchers at the Colorado School of Mines have studied the influence of headgate side ventilation controls near the longwall start-up room on the formation of explosive gas zones (EGZs) in undergro
Jan 1, 2015
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Tenneco's New Soda Ash FacilityBy David R. Delling
Tenneco is a large, diversified, energy-based company which has grown rapidly during its forty year life. We're the youngest corporation among Fortune's top 20 companies. Tenneco Minerals
Jan 1, 1984
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100 years of mining research celebrated at SME meetingWhen looking for indicators for the mining business ? and these days who isn?t? ? one might need to look no further than the SME Annual Meeting. Held in Phoenix, AZ Feb. 28 to March 3, the meeting was
May 1, 2010
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A New Approach To The Scrubbing Of Gases ? IntroductionBy E. Maré
Some of the members will probably ask themselves what close relationship exists between hydro-metallurgy and a wet scrubber, but we are sure that as soon as deeper thought is given to the matter it wi
Jan 1, 1963
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Angle Hole Drilling With Large Blast Hole Drills ? OverviewBy Stuart R. Cotterill
Open cast surface mining requires blast hole drilling with many interesting facets in order to achieve mine planning forecasts. Interestingly, no single method or combination of theoretical hypothesis
Jan 1, 1984
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Ground Freezing with Liquid Nitrogen for TBM Cutterhead Maintenance - NAT2024By Joseph Sopko, Xavier Lacourse-Dontigny
For the REM (Réseau Express Métropolitain) project, a 2500 m tunnel was built using a tunnel boring machine (TBM) under the Montreal Pierre Elliott Trudeau Airport (ADM). Although the geology under th
Jun 23, 2024
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Settlements Due to Blasting VibrationsBy Werner Bilfinger, Claudio Nahas, Marcelo Waimberg
"INTRODUCTION The so called Porto Maravilha Project consists of the re-urbanization of a 500 ha area in the Rio de Janeiro port region. Several changes in local infrastructure are being implemented, i
Jan 1, 2016
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Final Stage Of Store B?lt Railway Tunnel - Summary And Appraisal -By Siegfried Zell
INTRODUCTION Denmark is a small country with a population of about 5.5 million in the north of Europe. A substantial part of Denmark consists of islands, and the Danes have been familiar with ferry
Jan 1, 1995