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  • NIOSH
    IC 8553 Mathematical Smoothing Of Digitized X-Ray Spectra

    By Harold E. Marr

    A simple algorithm is presented for processing digitized X-ray spectra obtained with a Si(Li) or Ge(Li) semiconductor detector coupled to a multi- channel analyzer. The simplified least-squares proced

    Jan 1, 1972

  • NIOSH
    OFR-145-80 Instability Of Contoured Surface-Mined Landscapes In The Northern Great Plains: Causes And Implications

    By Gerald H. Groenewold

    Reclamation of surface-mined landscapes is commonly defined only in terms of biological productivity. Other critical concerns associated with surface mining include the long-term quality of groundwate

    Jan 1, 1980

  • NIOSH
    OFR-195(1)-83 Evaluation Of Safety Assessment Methods For The Mining Industry - Vol. I

    By P. M. Daling

    This report, sponsored by the U.S. Bureau of mines, presents the results of an examination of available safety assessment methods and their applicability to the mining industry. Standard safety analys

    Jan 1, 1983

  • NIOSH
    IC 8231 The National Safety Competition Of 1962 ? Introduction

    By Forrest T. Moyer

    The National Safety Competition was inaugurated in 1925 by the Bureau o1 Mines, U.S. Department of the Interior, in cooperation With the Explosives Engineer. In the first nationwide contest, 210 mines

    Jan 1, 1964

  • NIOSH
    RI 7855 NX Borehole Jack Modulus Determinations in Homogeneous, Isotropic, Elastic Materials

    By Thomas O. Meyer

    Laboratory test results are presented for the determination of elastic modulus made with the NX borehole jack. Determinations were made in massive pieces of aluminum so as to satisfy conditions of lin

    Jan 1, 1974

  • NIOSH
    RI 8647 Development of a Soft-Soldering System for Aluminum

    By W. L. Falke

    The Bureau of Mines has developed a system that permits the "soft" soldering of aluminum and aluminum alloys with standard tin-lead solders. The method employs application of a thin nickel-copper-allo

    Jan 1, 1983

  • NIOSH
    RI 6042 Underground Gasification Of Coal With Oxygen-Enriched Air

    By J. P. Capp

    The Bureau of Mines conducted field-scale experiments in underground gasification of coal with oxygen-enriched air. A path about 140 feet long was linked at the rate of LO feet per day through a coalb

    Jan 1, 1962

  • NIOSH
    OFR-77-79 Methods And Materials For High-Modulus Fills In Underground Mines

    By Koehler Stout

    Many hydraulic backfills are deposited at low density and provide less than optimum support strength to stope walls. This laboratory study shove that fill strength can be considerably increased. Place

    Jan 1, 1979

  • NIOSH
    IC 8603 Technologic And Related Trends In The Mineral Industries, 1972

    This report, the third in an annual series, outlines recent trends and developments in the minerals industry. Discussed are new methods, equipment, techniques, and systems used to more, effectively ex

    Jan 1, 1973

  • NIOSH
    IC 8084 Methods And Costs Of Mining And Crushing Limestone At Three Quarries, Anderson-Oxandale Rock Co., Kansas ? Introduction

    By H. D. Kline

    This publication describes methods and techniques of mining and crushing limestone at 3 of 11 small quarries operated by Anderson-Oxandale Rock Co. in northeast Kansas in 1959. It is one of a series o

    Jan 1, 1962

  • NIOSH
    OFR-121-78 Design Of A Retrofittable Temporary Face Support System

    By Alfred Bellows

    The objective was to develop and design a remotely operated temporary roof support system that provides a safe working environment between a freshly cut coal face and the last line of permanently supp

    Jan 1, 1976

  • NIOSH
    MLA 15-82 - Mineral Resources Of The Lake Eleanor Rare II Area (No. 5807), Trinity County, California

    By Eric E. Cather

    A mineral survey of a portion of the Lake Eleanor RARE II area (No. 5807), Trinity County, California, was done by the U.S. Bureau of Mines and U.S. Geological Survey (USGS). Approximately 8,650 acres

    Jan 1, 1981

  • NIOSH
    RI 3455 Cooperative Fuel Research Motor-Gasoline Survey, Winter 1938-39 ? Introduction (4a94fe1d-aac4-4b20-8793-f17c3441f08b)

    This is the seventh in a series of reports on properties of commercial motor fuels, made in accordance with a cooperative agreement between the Cooperative Fuel Research (C.F.R.) Committee and the Bur

    Jan 1, 1939

  • NIOSH
    Deterioration In The Heating Value Of Coal During Storage. - Introduction.

    By Horace C. Porter

    Much has been written of the changes undergone by coal in storage and the deterioration of coal through exposure to the weather. In order to obtain definite information for the benefit of the Governme

    Jan 1, 1917

  • NIOSH
    IC 9246 Assessment Of Accident Risk During Haulage Truck And Power Shovel Maintenance And Recommendations For Improved Safety

    By Thomas J. Albin

    U.S. Bureau of Mines research has found that maintenance of surface mining equipment is involved in slightly more than one-third (34.1 pct) of all surface mining accidents. Two groups of machines, hau

    Jan 1, 1990

  • NIOSH
    RI 3455 Cooperative Fuel Research Motor-Gasoline Survey, Winter 1938-39 ? Introduction

    This is the seventh in a series of reports on properties of commercial motor fuels, made in accordance with a cooperative agreement between the Cooperative Fuel Research (C.F.R.) Committee and the Bur

    Jan 1, 1939

  • NIOSH
    OFR-81(1)-81 Volume I - Precalculation Of The Effect Of Fires On Ventilation Systems Of Mines - Summary

    By Rudolf E. Greuer

    This report contains the practical application of a computer program for the simulation of ventilation systems under the influence of mine fires and other emergencies on five hardrock mines. The intro

    Jan 1, 1981

  • NIOSH
    RI 8676 Chromium Recovery From Nickel-Cobalt Laterite and Laterite Leach Residue

    By D. E. Kirby

    In line with the Bureau of Mines' goal of providing technology to maintain a supply of minerals adequate to meet national economic and strategic needs, a method for recovering chromite from later

    Jan 1, 1982

  • NIOSH
    OFR-37-94 Case Studies Of Submarine Tailings Disposal: Volume II -Worldwide Case Histories And Screening Criteria - [Further Case Histories; Screening Criteria]

    By Derek Ellis

    Volume II of this two-part series on Submarine Tailings Disposal (STD) as a tailings management option for coastal and island mines contains descriptions of lesser known case histories. The Misima

    Jan 1, 1994

  • NIOSH
    RI 3495 The Eykometer - A New Device For Measurement Of The Yield Point Of Clay Suspensions And Oil-Well Drilling Muds ? Introduction (7fd31193-d283-41c7-90b4-e8cc03288534)

    By A. George Stern

    In the examination of bentonitic clay suspensions used for oil-well drilling fluids3/ (and for other purposes, such as a core binder for foundry sand) it is important to have comparative tests for eva

    Jan 1, 1940