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  • NIOSH
    One-Electron Reduction of Vanadium(V) by Flavoenzymes/NADPH

    By N. S. Dalal, X. Shi

    It has been known for more than a decade that vanadium (V) stimulates the oxidation of NADH by plasma membranes (1) but the underlying mechanism is still not fully understood. This effect has been att

    Nov 1, 1995

  • NIOSH
    OFR-9(5)-72 Coal Mine Rescue And Survival System - Volume V - Executive Summary - 1. Coal Mine Rescue And Survival System

    This volume summarizes the contract work performed over a nine-month period by Westinghouse Electric Corporation on a Cost Plus Fixed Fee Contract for the Department of Interior's Bureau of Mines

    Jan 1, 1971

  • NIOSH
    RI 3858 Exploration of the Piedmont Manganese Belt McCormick County, South Carolina and Wilkes County. Georgia

    By William A. Beck

    "The Piedmont Manganese Belt extends from Taliferro County, Georgia, 70 miles in a northeasterly direction through Greenwood County, South Carolina, and conforms with the trend of the Piedmont Provinc

    Apr 1, 1946

  • NIOSH
    RI 3921 Exploration of Elk Mtn Mica Deposit - San Miguel Co., NM

    By Ray J. Holmquist

    "INTRODUCTION The Elk Mountain mica deposit was examined in June 1943 by the Bureau of Mines. An exploratory project and an access road for the property were recommended, provided the zinc was put in

    Jul 1, 1946

  • NIOSH
    IC 9313 Roof Control Of Stress-Relief Jointing Near Outcrops In Central Appalachian Drift Coal Mines

    By Gary P. Sames

    This report discusses some practical applications of a geotechnical investigation conducted by the U.S. Bureau of Mines that can help mine operators meet revised Federal regulations in their roof cont

    Jan 1, 1992

  • NIOSH
    Detection of Reactive Free Radicals in Fresh Coal Mine Dust and Their Implication for Pulmonary Injury

    By N. S. Dalal, B. Jafari, F. H. Y. Green, M. M. Suryan, V. Vallyathan

    "Freshly ground and aged anthracite and bituminous coal samples were investigated by electron spin resonance (ESR) spectroscopy to detect the presence, concentration and reactivity of free radicals. F

    Jan 1, 1989

  • NIOSH
    RI 4554 Investigation Of Colorado Minerals Co. Calcite Deposits, Archuleta And Hinsdale Counties, Colo.

    By Ernest V. Deshayes

    The Colorado Minerals Co. calcite properties in Archuleta and Hinsdale Counties, Colo., (fig. 1) were examined by Bureau of Mines engineers in 1943. The demand for optical calcite during the war promp

    Jan 1, 1949

  • NIOSH
    RI 4821 Raw Materials For The Mineral-Wool Industry

    By C. H. Gorski

    Evaluation of raw materials for mineral wool is one phase of the Bureau of Mines broad program for the more effective utilization: of our mineral resources. The experimental work and test-evaluation r

    Jan 1, 1951

  • NIOSH
    IC 7858 Using Precast Reinforced-Concrete Sets In The Pioneer Tunnel Of Great Northern Railway's Cascade Tunnel, King County, Wash. ? Summary And Introduction

    By E. W. Parsons

    Permanent support of the back is an important economic factor in maintaining a tunnel or other underground opening in condition to render the service for which it was driven. Timber has been most comm

    Jan 1, 1958

  • NIOSH
    IC 8593 Determining Discounted Cash Flow Rate Of Return And Payout Time For Onshore Development Wells - A Graphical Method

    By T. M. Garland

    A nomographical approach is proposed as a fast, easy-to-use, and reason- ably accurate method for estimating expected discounted cash flow (DCF) rate of return and payout time for onshore development

    Jan 1, 1973

  • NIOSH
    RI 8392 Forecasting Methane Hazards in Metal and Nonmetal Mines (8a64cc03-8bbb-431a-a564-48ff68548975)

    By Edward D. Thimons

    Because of the high number of accidental methane gas ignitions in metal and nonmetal mines, the Bureau of Mines searched for a simple guideline that would allow mine personnel to evaluate the methane

    Jan 1, 1979

  • NIOSH
    RI 7860 Permeability Changes and Compaction of Broken Oil Shale During Retorting

    By Edward L. Burwell

    The Bureau of Mines conducted laboratory experiments to determine the change during retorting in the apparent permeability and the degree of compaction of beds of broken oil shale. Grades of oil shale

    Jan 1, 1974

  • NIOSH
    Measurement of Diesel Exhaust Aerosol in Underground Coal Mines

    By B. K. Cantrell, K. L. Rubow

    "Quantifying exposure to diesel exhaust aerosol in an underground coal mine depends on the ability to measure this component of respirable mine aerosol separately from coal dust. Such measurement is c

    Mar 1, 1992

  • NIOSH
    OFR-111(2)-77 Selection And Use Manual For Automatic Fire Protection Systems For Mobile Underground Metal Mining Equipment ? Introduction

    This manual is for use by mine operating personnel and vehicle manufacturers in the selection and proper use of automatic fire protection systems for underground metal and non-metal mining vehicles. M

    Jan 1, 2011

  • NIOSH
    RI 4324 Core Drilling At The Victory Fluorspar Mine, Hardin County, Ill.

    By O. M. Bishop

    From October 1943 to March 1944, the Bureau of Mines conducted core drilling at the Victory fluorspar mine, Hardin County, Ill. to test the Fredonia limestone and the included sub-Rosiclare sandstone

    Jan 1, 1948

  • NIOSH
    IC 7152 Methods And Costs Of Mining Zinc-Lead Ores At The Pend Oreille Mines & Metals Co., Metaline Falls, Wash. - Introduction

    By Charles A. R. Lambly

    This paper, which describes the mining practices of the Pend Oreille Mines & Metals Co. at Metaline Falls, Wash., is one of a series being prepared by the Bureau of Mines on mining practices, methods,

    Jan 1, 1941

  • NIOSH
    RI 6921 Effect Of Weather On Sound Transmission From Explosive Shots

    By R. L. Grant

    The Bureau of Mines applied automatic computational methods to analyze the degree of correlation between sound transmission and atmospheric conditions. Statistical analysis of data collected over a 5-

    Jan 1, 1967

  • NIOSH
    Marine Heavy Metal Project Offshore Name, Alaska ? Introduction

    By Richard L. Jenkins

    Systematic sampling, in reconnaissance fashion, of the continental shelves of the United States to define favorable areas of offshore mineral deposits, is one of the long-range marine mineral; program

    Jan 1, 1968

  • NIOSH
    RI 8286 Foam Stimulation To Enhance Production From Degasification Wells in the Pittsburgh Coalbed (496337e6-c62a-4837-bf40-2e8fc9f8d2fb)

    By Peter F. Steidl

    Seven degasification wells have been completed in the Pittsburgh coalbed at the new Emerald mine near Waynesburg, Pa. Funding was provided by the Bureau of Mines to perform stimulation treatments on f

    Jan 1, 1978

  • NIOSH
    Objectives And Constraints Of Through - The-Earth Electromagnetic Communication Systems

    By Howard E. Parkinson

    In 1969, new coal mine health and safety legislation was enacted in the United States. As a result of this legislation, the Department of Interior, Bureau of Mines has carried out communications resea

    Jan 1, 1973