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A New Series Of Bureau Of Mines Reports AnnouncedA new series of reports called ?Mineral Perspectives" (MP's) has been initiated by the Bureau of Mines with the publication of MP-1 titled, "Far East and South Asia" by K.P. Wang and the staff of
Jan 1, 1977
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IC 9182 Human Factors In MiningBy Mark S. Sanders
There is a growing awareness among mining professionals that the human factor plays a significant role in safety and productivity. Since the 1960's, the science of human factors, or ergonomics, h
Jan 1, 1988
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Hydraulic Dredging For Gold-Bearing Gravels.By Henry G. Granger
I. INTRODUCTION. REPEATED failures in attempts to work gold-bearing gravels by means of suction-dredges have created the impression that this method is impracticable. The suction-dredges have failed
Apr 1, 1909
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The origins of zinc and brassBy J. E. Dutrizac, J. B. O'Reilly
"Zinc is a relatively abundant element which occurs as both high-grade sulphide ores {sphalerite ZnS) and oxide ores which the ancients collectively termed ""calamine"" (smithsonite ZnC03 and/ or hemi
Jan 1, 1999
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Bulletin 40 The Smokeless Combustion of Coal in Boiler FurnacesBy D. T. Randall, H. W. Weeks
The burning of coal without smoke is a problem that concerns the Government directly because of the advantages of smokeless combustion both in public buildings and on naval vessels. In addition, smoke
Jan 1, 1912
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Bulletin 57 Safety and Efficiency in Mine TunnelingBy John A. Davis, David W. Brunton
During the past few years great progress has been made in the United States toward safer, more efficient, and more economical tunneling methods. This advance is partly due, no doubt, to the recent inc
Jan 1, 1916
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Genesis Of The Lake Valley Silver DepositsBy CHARLES R. KETES
I. INTRODUCTORY. Lake Valley, New Mexico, has long been one of the most widely known mining districts of southwestern United States. For many years its silver-mines have been among the most famous of
Jan 1, 1908
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A Glossary Of The Mining And Mineral Industry. - Introduction.By Albert H. Fay
This glossary is published by the Bureau of Mines as a contribution to the mining literature in the belief that it will fill a long-felt need. It contains about 20,000 terms; these include both techni
Jan 1, 1920
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RI 3707 Briquetting Subbituminous CoalBy V. F. Parry, John P. Goodman
"INTRODUCTION Review of Previous Work Many investigators and certain commercial interests have recognized that the briquetting process is a practical method to convert much of what is now considered u
Jun 1, 1943
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Abrasive Materials (ABRASIVE MATERIALS- 1993)By Gordon T. Austin
The combined value of production of natural abrasives, which include tripoli, special silica stone, garnet, staurolite, and emery, increased in 1993. The increase in the value of tripoli production wa
Jan 1, 1993
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Second Quarter National Economic Statistics, Industry Statistics - Second-Quarter National Economic StatisticsBy Keith Harris
The U.S. economy grew moderately in the second quarter of 1985 with real gross national product (GNP) recording a seasonally adjusted annual growth rate of 2.0%, up from the 0.3% growth of the previou
Jan 1, 1985
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The witchcraft and logic of gold pricing – politics, inflation, speculation, and the value of the dollar are all contributing factorsBy Thomas D. Kaufmann
Introduction What drives the price of gold? Supply and demand, of course. But in ways far different from the forces that drive the prices of other major metals, such as steel, aluminum, and copper. G
Jan 9, 1987
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Bulletin 195 Underground Conditions in Oil FieldsBy A. W. Ambrose
The output or oil and gas rrom the producing fields in the United States is rapidly deelining. Coincident with this decline is a steadily increasing demand ror petroleum and its products, but at prese
Jan 1, 1921
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Zinc used for Money in Belgium and FranceBy George C. Stone
WHEN George C. Stone, a Director of the Institute, and so well known to our Members in connection with the Institute's many activities was abroad in 1.919, he secured an interesting collection of
Jan 1, 1920
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Dotaku: an example of metallurgy in prehistoric JapanBy K. T. Audt
The Yayoi period, from about 300 B.C. to A.O. 300, represents a time of important changes in Japanese history. During this period the advanced rice culture of the Asian continent was introduced to Jap
Jan 1, 1999
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Bulletin 95 A Glossary of the Mining and Mineral IndustryBy Albert H. Fay
This glossary is publi~hed- by the Bureau of Mines as a contribution' to the mining literature in the belief that it will fill a long-felt need. It contains about 20,000 terms; these include both tech
Jan 1, 1920
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The 'lock-up' of gold in run-of-mine mils at Randfontein EstatesBy D. B. Paterson
In view of decreasing head grades, the relatively high gold price, and recent developments in metal evaluation, an exercise was initiated to determine the extent of gold concentration, the mode of occ
Jan 1, 1988
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Mineral Indicators By RegionNew Copper Deposit in Chile. - The recent copper discovery in Chile, made jointly by U.S.-owned Empresa Minera Utah de Chile, Inc., and Getty Mining Chile), Inc., awaits the passage of Chilean legisla
Jan 1, 1981
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OFR-54-86 Mineral Investigations In The Chugach National Forest, Alaska (Islands Area)By Joseph M. Kurtak
The Bureau of Mines (Bureau) and the U.S. Geological Survey (USGS) conducted a 4-year (1979-1982) mineral assessment study of the Chugach National Forest (CNF), Ak, as part of the Roadless Area Review
Jan 1, 2011
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Fourth-Quarter 1986 Economic Activity And First-Quarter 1987 Outlook - Fourth Quarter And 1986By Keith L. Harris
Real2 gross national product (GNP) grew at a seasonally adjusted annual rate of 1.3% in the fourth quarter and at 2.5% for all of 1986, according to the most recent Department of Commerce estimates ta
Jan 1, 1987