Search Documents

  • NIOSH
    IC 6611R Federal Placer-Mining Laws And Regulations - Small-Scale Placer-Mining Methods ? Introduction

    By Fred W. Johnson

    The first section of this circular has been prepared with a view to answering inquiries frequently received by the Bureau regarding laws governing the staking of claims and regulations covering requir

    Jan 1, 1938

  • NIOSH
    RI 3623 Manganese Investigations - Metallurgical Division 10. Ore-Dressing Studies of Manganese Ores

    By S. M. Shelton, W. A. Calhoun, M. M. Fine, T. L. Johnston

    "FOREWORDFerrograde manganese ore or its equivalent is essential to the manufacture of every ton of steel produced; although it is well known that there are large deposits of low-grade are in the Unit

    Mar 1, 1942

  • NIOSH
    OFR-93-77 Application Study Of Portable Underground Hardrock Crushers

    By Carl R. Peterson

    [In lTI n,v und I'gr'oun nllnin~ Opt'I'ali n' the high . t cost is the loading and I 3ulage of t tln-of -D"'line ot'. 01' hauling costs can be r duced signifi-c

    Jan 1, 1976

  • SME
    Using GIS To Identify High Value Areas In Large Coal Resources

    By J. Kern, T. F. Torries

    Identifying high value areas of unmined coal when large quantities of coal are available relative to annual markets is difficult because of the uncertainty of when the coal is to be mined. A GIS based

    Jan 1, 1999

  • NIOSH
    OFR-130(2)-85 High Reliability Miner Hydraulic System - Volume I - Part II - Section III - G Valves - Introduction

    Operator efficiency and control capability along with cost effectiveness have been the quest of mining, industrial, and mobile hydraulic engineers for years. The majority of the functions in present d

    Jan 1, 1983

  • CIM
    Recent Gravity Improvements at the Porcupine Joint Venture

    By Ron Millions, J. A. Folinsbee, Ishwinder Grewal, Michael Fullam, Don Strickland, Tony Y. Chong

    "Since milling began in 1912, the Dome mill, now part of the Porcupine Joint Venture (PJV), has been expanded several times, the most recent increasing the milling rate from 3,500 to 11,500 tonnes per

    Jan 1, 2004

  • NIOSH
    OFR-213-83 Slack And Overload Rope Protection System

    By Holt L. Farley

    This report describes the development of an electronic system which detects unsafe slack and overload conditions in underground mine hoist ropes. The Slack and Overload Rope Protection System (SORPS)

    Jan 1, 1983

  • CIM
    The East-Sullivan Headframe

    By J. C. Kingston

    Introduction The sliding-form method of erecting concrete structures was first devised and used in the early part of this century by the Sante Fe Railroad Company for the erection of a grain elevat

    Jan 1, 1949

  • NIOSH
    Bulletin 134 The Use of Mud Laden Fluid in Oil and Gas Wells

    By WILLIAM F. McMURRAY, James O. Lewis

    The Bureau of Mines is investigating the technology of petroleum and its products, the investigation including well-drilling methods and the transportation, treatment, and utilization of petroleum and

    Jan 1, 1916

  • CIM
    The impact on underground ventilation of the reduction of diesel emissions toxicity by water-in-oil fuel emulsification

    By J. P. Mogan, E. D. Dainty, A. Lawson

    "The toxicity reduction of emissions from two diesel engines by the emulsification of water into fuel oil was investigated to determine the applicability of such systems to underground mining machiner

    Jan 1, 1981

  • NIOSH
    IC 7093 Reconnaissance Of Mining Districts In Churchill County, Nev. ? Introduction

    By William O. Vanderburg

    This report3/ gives the reconnaissance of a reconnaissance of the mining districts in Churchill County, Nev., made in the fall of 1938 and spring of 1938 All of the mining districts in the county wer

    Jan 1, 1940

  • AIME
    Chicago Paper - Biographical Notice of Joseph D. Weeks

    By Alfred E. Hunt

    By the death of Joseph Dame Weeks, past-President of this Institute, which occurred December 26, 1896, the world has lost an earnest and unwearied philanthropist; the Christian church, a zealous, acti

    Jan 1, 1898

  • IMPC
    Flotability of Free Gold at Kemess

    By Daniela Venter, Stephen Chryssoulis, Ken Stowe

    "A sampling campaign was conducted at Kemess in order to identify and assess the chemical and physical factors, which control free gold flotation kinetics in the rougher and cleaner circuits. The rati

    Jan 1, 2003

  • NIOSH
    RI 4776 The Oil-Shale Industries Of Europe

    By Boyd Guthrie

    As the American petroleum industry surveyed its position in early 1937, it had many reasons to be optimistic concerning its future. The industry had emerged successfully from the depression, and for t

    Jan 1, 1951

  • SME
    Banning Cyanide Use at McDonald – An Attack on Open-Pit Mining

    By Richard H. De Voto

    The McDonald gold project and two satellite gold deposits near Lincoln, MT were discovered in the early 1990s. They contain at least 307.9 t (9.9 million oz) of gold and 933 t (30 million oz)of silve

    Jan 1, 2000

  • NIOSH
    RI 3149 Salts In Tri-State Mill Waters: March, 1932 Their Ill-Effect On The Flotation Of Blende And Their Removal

    By A. B. Campbell

    The mines in the eastern part of the now active region of the Tri-State zinc district of Missouri, Kansas, and Oklahoma have unusually acid water, which during periods of moderate or no rainfall is us

    Jan 1, 1932

  • CIM
    Iron Control in Mineral Processing (2fd76e37-d28e-4a6e-89ca-f817ec26c15b)

    By J. E. Nesset, S. R. Rao, J. A. Finch

    "For base metal sulphides, iron rejection starts in mineral processing. This review focuses on changes in plant practice specifically to improve iron sulphide rejection by control of contaminant ion e

    Jan 1, 2007

  • NIOSH
    IC 6964 Reconnaissance Of Mining Districts In Clark County, Nev. ? Introduction

    By William O. Vanderburg

    This paper 3/gives the results of a reconnaissance of mining districts in Clark County, Nev., made from November 18 to December 22, 1936, and from February 9 to March 8, 1937-in all, 63 days. While th

    Jan 1, 1937

  • NIOSH
    IC 7912 Milling And Processing Tungsten ? Introduction And Summary

    By J. B. Zadra

    Tungsten, a comparatively new metal, is one of the important strategic war materials. In peacetime, tungsten is widely used as a filament in elec¬tric lamps and electronic tubes and is a vital constit

    Jan 1, 1959

  • AIME
    Society of Petroleum Engineers of AIME (c1d5d59b-aa39-4e59-b612-3597f33d87b5)

    Established as a Society February 26, 1957 John S Bell, President Wayne E Glenn, President-elect Basil P Kantzer, Past President R E Howard, Vice, President M B Penn, Vice-President Everett G Tr

    Jan 1, 1959