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Ambitious Endeavors in Mechanized Shaft Construction: A Case History of Two Mine Shaft Projects in Australia
By John Zeni
In Australia during the 1990s, Zeni Drilling took on several demanding shaft boring contracts. This paper describes the safety, operational, technical and environmental advantages derived through the
Jan 1, 2001
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Ambrose Swasey John Fritz Medallist in 1924
By John Fritz
THE John Fritz Medal was presented to Ambrose Swasey of Cleveland, Ohio, in the Auditorium of the Engineering Societies Building, in New York, on April 23. Charles F. Rand, Chairman of the Board of A
Jan 1, 1924
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Ambuklao Tunnel Plug Construction
By B Hayes
The Ambuklao and Binga Rehabilitation Project is a 175 MW hydro power project currently under construction across dual sites in the north region of Luzon Island, Philippines. When it was built in 1956
Mar 8, 2011
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AMC Mining Convention Reflects Improved Industry Outlook
Though the mining industry is beset with problems-a broad slump in metal prices, a rash of acquisitions and takeover attempts, rising capital costs, and an aggressive Canadian energy program-there was
Jan 12, 1981
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AMC Seattle Meeting Reveals Mining Industry Scrappy, Ready For Competition
Seattle offered sunny, dry weather to about 2500 mining men who assembled September 10 to 14 for the 1961 American Mining Congress. The impact of snappy sessions on national mineral policy, state of t
Jan 10, 1961
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AMC Sessions on Health and Safety Point to Misdirection of Federal Regs
Two sessions during the recent AMC Mining Convention in Los Angeles, September 23-26, served to update industry personnel on the status of health and safety regulations in the US. As reflected by the
Jan 11, 1979
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AMD Treatment Using Rice Husk as Biosorbent
By Jorge Alberto Soares Tenório, Flávia Paulucci Cianga Silvas, Bianca Medeiros, Denise Crocce Romano Espinosa, Ivo André Homrich Schneider, Daniella Cardoso Buzzi, José Roberto de Oliveira
"AMD is one of the main problems associated with mining activities and the techniques used in their treatment may be the biosorption. The aim of this work was to study the rice husk as a biosorbent fo
Jan 1, 2012
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Amenability of Gold Ores to Coarse Particle Gangue Rejection (Preconcentration) Processes
"Decreasing gold-in-ore grades is one of the main drivers of poorer productivity and rapidly escalating unit costs. Grinding costs, water use and reagent consumption are all intimately related to the
Jan 1, 2016
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Amendment of Physico-Mechanical Ore Properties Determination Methods for Ball Mill Grinding Processes in Comminution Circuits
By V. V. Lvov, L. S. Chitalov
"The purpose of the research is intensification of physico-mechanical ore properties determination for ball grinding processes in comminution circuits. The research presents comparative studies aimed
Jan 1, 2018
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Amenia Paper - Copper Mining on Lake Superior
By Thomas Egleston
The copper-bearing rocks of Lake Superior are composed of a series of metamorphic rocks, comprised under the names of amygdaloid and conglomerate, in which the copper and silver found with them are ps
Jan 1, 1879
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Amenia Paper - The Eureka Lode of Eureka, Eastern Nevada
By W. S. Keyes
The State of Nevada, known par excellence as " the Silver State," occupies the major portion of the wide plateau, or so-called Great Basin, lying between the Sierra Nevada range on the west and the Wa
Jan 1, 1879
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Amenia Paper - The New Works at Clausthal for Dressing Ores
By John C. F. Randolph
This establishment being now in full working order, it has seemed of considerable professional interest to collect together, in a concise form, the various points as to its plan, method of dressing, a
Jan 1, 1879
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America Engineering Council
By AIME AIME
A REGULAR meeting of the Executive Board 'of American Engineering Council was held in the Onondaga Hotel, Syracuse, N.. Y., Feb. 14, 1921, with the president, Herbert Hoover, presiding. Reports o
Jan 1, 1921
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America's Bulk Commodity Shippers: A Key Element Shaping New Transport Policies ? Introduction
By J. E. Lema
America's bulk commodity transportation systems have taken on a new look in the 1970's and 1980's. Railroad systems, barge lines providing inland and intra- coastal waterway transportat
Jan 1, 1986
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America's Iron Backbone- An Historical Note
By Theodore B. Counselman
Of all natural resources, iron ore made into steel is the most important both in tonnage and value. The primary reason for the prosperity of the United States in the last century has been its pre-emin
Jan 7, 1965
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America's Stake In World Mineral Resources
By Alan M. Bateman
Before World War II we proudly considered that we were the nation of all the world most richly endowed in mineral resources. We knew it was no accident that those countries abundantly supplied with mi
Jan 1, 1949
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American Barrick Goldstrike Operation in Elko Nevada - A Summary of the Operation and Future Expansions
By R. H. Colquhoun, A. W. Bolland, H. J. H. Pieterse
"American Barrick Resources Corporation acquired the goldstrike property in north eastern Nevada in early 1987. Since that time, the company has undertaken an extensive development program. This paper
Jan 1, 1992
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American Barrick Resources Corp.
American Barrick Resources Corp. has come farther, faster in the last 11 years than any mining company in recent memory. Acquisition of Lac Minerals Ltd. in August 1994 now makes Barrick the largest g
Jan 1, 1994
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American Beginnings
By Thomas T., Read
ALTHOUGH the first colonists in the area that is now the A United States, whether Spanish, French or English in nationality, were usually keenly interested in the possibilities of mineral wealth, it i
Jan 1, 1941
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American Coal And Coal Technology: Energy To Drive A World Evolution
By Richard L. Lawson
Thank you President Nielsen, and thank you ladies and gentlemen of the Rocky Mountain Coal Mining Institute. I'm glad you asked me to join you a second time. The setting here at Tamarron is spl
Jan 1, 1992