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OFR-38-88 Feasibility Of Economic Gold Mining In The Juneau Gold Belt Area Of The Juneau Mining District, Alaska
By Gary E. Sherman
Preliminary economic mining feasibility studies were conducted by the Bureau of Mines to estimate mining costs in the Juneau gold belt area of the Juneau Mining District, southeastern Alaska. Investig
Jan 1, 2011
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RI 8454 Utilizing the Magnetic Fraction of Raw Refuse With Shredded Automobile Scrap in Cupola Gray Iron
By V. R. Spironello
The Bureau of Mines is involved in research directed toward the utilization of municipal solid waste. One of the primary objectives is the recycling of the magnetic fraction of municipal solid waste (
Jan 1, 1980
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Water Resistant Enclosure For Extensometer - Objective
Provide long-term measurement of mine sidewall closure in backfilled stapes subject to flooding. Approach A water resistant extensometer is made by enclosing a rod-actuated transducer in a tel
Jan 1, 1978
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In Situ Measurement Of Rock Stress With Hydraulic Borehole Pressure Cells ? Objective
Develop a new technique of in situ rock stress measurement which can be used when and where the conventional methods, such as the overcoring stress relief methods and the hydrofracturing method, canno
Jan 1, 1988
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RI 8031 Source of Solids in Injection Waters, Wilmington Field, California
By G. L. Gates
The waters used to waterflood the Wilmington oilfield were studied by the Bureau of Mines, in cooperation with the city of Long Beach, Calif. Increases in the pressure of the injection wells indicated
Jan 1, 1975
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RI 2971 A System Of Accounts For The Slate Industry ? Introduction
By Oliver Bowles
[Simple systematic accounting that adequately records all transactions has long been regarded as essential to the welfare of any business enterprise. Some of the defects that detract from the prosperi
Jan 1, 1929
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RI 8761 Effect of Asymmetric Wear of Point Attack Bits on Coal-Cutting Parameters and Primary Dust Generation
By Wallace W. Roepke
The Bureau of Mines conducted a series of experiments using Illinois No. 6 coal to determine the effect of asymmetric wear on airborne respirable dust (ARD), specific energy, cutting force, and normal
Jan 1, 1983
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OFR-52(2)-84 Surface Coal Mine Spoil Stability Study Eastern Coal Province - Volume II
By Paul G. Swanson
This investigation was conducted to identify the principle causes of spoil instability problems in the Eastern Coal Province. The study was also conducted to develop a matrix to predict the strength a
Jan 1, 1983
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RI 6063 Metallurgical Investigations Of Philippine Nickeliferous Ores ? Summary
By L. H. Banning
This investigation was undertaken to obtain basic information necessary for the design and operation of a plant for recovering metallic values from nickeliferous laterite and serpentine of the Philipp
Jan 1, 1962
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RI 5928 A Rapid Twist Test For Determining Hot-Forming Temperatures Of Steels ? Summary
By C. S. Tout
While investigating methods for determining the best temperatures for hot-working experimental stainless steels, the Bureau of Mines Albany Metallurgy Research Center developed a machine in which hot-
Jan 1, 1962
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The Mineral Industry Of Other Countries Of The Near East - Bahrain (cbaeb5f0-db23-4545-b655-c60ed9216196)
By Peter J. Clarke
The petroleum industry continued to be the most important mineral activity in Bahrain during 1978-79. Revenues generated by the petroleum sector increased from $378 million' in 1977 to an estimat
Jan 1, 1981
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IC 6873 A Note On The Use Of Ultraviolet Lamps In Mines For Rapid Detection Of Scheelite In Ores By Fluorescence - Introduction
By William O. Vanderburg
The fluorescence of many minerals, when excited by different wave lengths, of ultraviolet radiation, has long been recognized as a spectacular laboratory phenomenon. Since the original display in the
Jan 1, 1935
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RI 6046 Differential Sulfatization Of A Georgia Manganiferous Iron Ore ? Introduction And Summary
By H. P. LeVan
The aced for reliable reserves of the essential element, manganese, has been a continuing concern of the Federal Government for more than three decades. Because of the increasing vulnerability of outs
Jan 1, 1962
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OFR-88-92 Regulatory Processes Associated With Metal-Mine Development In Alaska: A Case Study Of The WestGold BIMA
By Lee Ann Gardner
This U.S. Bureau of Mines publication presents a case study of the processes used in permitting the Nome Offshore Placer Project, a gold mining project offshore Nome, Alaska which operated from 1985 t
Jan 1, 1992
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MLA 27-86 - Mineral Resources Of The Whitewater Study Area, Riverside And San Bernardino Counties, California ? Summary
By Edward L. McHugh
The study area, which comprises 11,500 acres, includes the 9,610-acre Whitewater Wilderness Study Area, in the California Desert Conservation Area, 15 miles northwest of Palm Springs, CA. The U.S. Bur
Jan 1, 1986
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IC 8223 Titanium In The Southeastern United States
By Fred P. Giese
Southeastern reserves of titanium ores are large, widespread, and ample for anticipated demand. The leading titanium industries are mining and beneficiating sand deposits, principally in Florida, and
Jan 1, 1964
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IC 9202 Characterization Of The 1986 Stone Mining Workforce
By Shail J. Butani
In 1986 the Bureau of Mines conducted a probability sample survey, Mining Industry Population Survey, to measure such employee characteristics as occupation; principal equipment operated; work locatio
Jan 1, 1988
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RI 3552 Form Of Sulfur Occurrence In Blast-Furnace Slag ? Introduction
By Allan E. Martin
As part of a comprehensive investigation of tae mechanism of desulfurization of iron and steel by slags, the Blast Furnace Studies Section, Metallurgical Division, Bureau of :lines, in cooperation wit
Jan 1, 1941
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OFR-24-89 The Effects Of Economic Growth, Technology Change, Consumption Pattern Change And Foreign Trade On Domestic Demand For Primary Metals. 1963-82 ? Appendix A & B ? Appendix A - Technical Description Of Procedures
By Patricia R. Devine
This appendix documents the mathematical approach to deriving the components of change presented in this report. The formulation closely follows that contained in Chapter IV of the documentation for t
Jan 1, 1988
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RI 3336 Beneficiation Of Spodumene By Decrepitation ? Introduction (132e4d98-bf25-4fae-a900-bb38ff5b3820)
By Foster Fraas
One of the lithium minerals most widespread in the earth's surface is spodumene (Li20-A1203-4Si02), a lithium aluminium silicate. For some time, deposits of this mineral were known to exist in th
Jan 1, 1937