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Is the double drum hoist still viable at depth? Recent experiences (9ce85c2c-8422-465d-9ba0-c7f38d7a04a5)By B. McLaughlin
"The Penna shaft is the deepest single-lift shaft in North America. Agnico-Eagle started sinking the Penna shaft in 1995 with a hoisting plant capable of hoisting 1800 t/d from a 2240-m deep shaft. Ex
Jan 1, 2004
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Bulletin 114 Manufacture of Gasoline and Benzene Toluene from Petroleum and other HydrocarbonsBy C. B. DUTTON, W. F. RITTMAN, E. W. Dean, M. S. HOWARD
NOMENCLATURE USED IN THIS REPORT. In this report the ending ene has been used throughout, except in the bibliography and in quotations from the writings of previous investigators, for all aromatic hyd
Jan 1, 1916
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Can We Close the "Cyanide Cycle"?By Emil B. Milosavljevic, Ljiljana Solujic
Cyanide is exceptionally reactive, and in typical gold/silver processing liquors, cyanide may be transformed into various species and forms depending on the mineralogy of the ore and chemical make-up
Jan 1, 1999
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RI 3446 Accidents In The Petroleum Industry Of Oklahoma In 1937, Summarized And Compared With 1923 ? Introduction (adae109e-b30a-45ef-89de-189a31294d2b)By C. F. McCarroll
The effectiveness of an industry?s safety activities can be gaged best by the accident records of that industry. In an effort to gage conditions in the petroleum industry, and with the objective of he
Jan 1, 1939
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Technological innovations that capture project value at Peña ColoradaBy R. E. Vivas, J. A. Villa
"Located in the state of Colima, Peña Colorada is one of the largest iron ore operations in Mexico. The project is owned in equal parts by ArcelorMittal and Ternium. Though boasting a production capac
Feb 1, 2017
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Comparison of American and Foreign Rail-Specifications, With a Proposed Standard Specification to Cover American Rails Rolled for ExportBy Albert Ladd Colby
A GLANCE through the Bibliography appended to this paper will show that the Transactions of this Institute contain what virtually contitutes a history of the development of the manu¬facture of steel r
Sep 1, 1906
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New Generation Of Gearless Mill Drive When High Efficiency Meets High AvailabilityBy A. Fuerst
This paper delivers insights into how high availability combines with high efficiency at the Yanacocha Plant, Newmont Mining Corporation, Peru. Advances in motor design and maintenance with integratio
Feb 27, 2013
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Use of Vibro-Replacement Stone Columns for Ground Improvement and Support of Mechanically Stabilized Earth (MSE) WallBy Pancho J. Garza, Keith H. Dahlen, Chris A. Labye
"Design for reconstruction of the East Flagstaff traffic interchange project located in Flagstaff, Arizona posed particular challenges. The proposed design included construction of a nearly 50-foot ta
Jan 1, 2015
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Developing Declines Under a Moving Glacier - The Kumtor Underground Access StoryBy Darren Medd
Kumtor Gold Company (KGC) currently operates the 500,000 tonnes per day Kumtor open pit gold mine located in the Issyk-Kul region of the Kyrgyz Republic at an elevation of more than 4,000 m. To supple
Aug 1, 2013
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Maximising Return On Your Improvement EffortsBy Gareth Barnes
Traditional approach to improvement is driven by good ideas from good people, but whilst the business case may sound good, when the project is complete, we often have not delivered on expectations. W
May 4, 2025
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California Paper - Petroleum in CaliforniaBy W. L. Watts
The existence of petroleum in California has been known for many years. From time immemorial the California Indians used this mineral, in the form of asphaltum, for various purposes. In the early hist
Jan 1, 1900
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Sustainability For Nature And MankindBy M. Javier
Defining the concept of sustainability is an important step for industry and society. It is necessary in order to clarify what it means when debunking the many misinterpretations pervasive in differe
Jan 1, 2012
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Advanced Measurement And Monitoring Technologies For Environmental Problem Solving A Technology Review (SME Annual Meeting March 1-3, 1999, Denver, Colorado)By F. B. Henderson III
Since the "end" of the Cold War, revolutionary new research and commercial remote sensing capabilities are being developed that will dramatically change the way we map the earth and address its enviro
Jan 1, 1999
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Surveying BIM in the Lebanese Construction IndustryBy Rita Awwad
Building Information Modeling (BIM) has been gaining a significant edge in the construction industry over the last decade. BIM allows gathering all building information in one shared database that can
Aug 1, 2013
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Staying Competitive In The Coal Market Of The 90'sBy R. G. Church
Belle Ayr Mine was established in 1972 as the first large surface coal mine in the Powder River Basin of Wyoming. During the mid-1980s, it was eventually out-distanced in productivity by newer mines,
Jan 1, 1994
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IC 8431 Transportation Of Mineral Commodities On The Inland Waterways Of The South-Central StatesBy Frank B. Fulkerson
Barge traffic on the Nation's inland waterways over the past 15 years has been increasing at a rate much faster than intercity freight traffic by all modes, largely due to the growing consumption
Jan 1, 1969
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Dust Control and Ventilation at Ontario MinesBy C. S. Gibson
"MOST of the mines in the Province of Ontario in Canada are multi-level operations in steeply dipping veins; yet there is an appreciable number whose de-posits are relatively flat-lying, ranging up to
Jan 1, 1960
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Innovative Financing for Small Gold Mining ProjectsBy Dwane K. Johnson
INTRODUCTION The small mining company faces the dilemma of how to finance the development of its properties because it doesn't have the financial resources to pay for the development costs fr
Jan 1, 1987
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OFR-91-80 Chromium Conservation In Leather TanningBy Jean J. Tancous
Chromium recovery from wet-blue offal trimmings and shavings can be done with substantial chemical cost gains by incineration at 600° C for 5 hr. Pretreating the offal with 0.5 M Na2C03 and air-drying
Jan 1, 1979
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Risk Management Important In MiningThe mining industry has indeed gone global. International minerals producers are spending big money to move into countries that were off limits a few years ago. Due mostly to political reasons, these
Jan 1, 1998