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  • NIOSH
    RI 5712 Titanium-Bearing Deposits In South Texas ? Introduction And Summary

    By A. D. Hahn

    The Federal Bureau of Mines examined ilmenite-bearing sands in southern Texas as part of a program to discover sources of supply for the domestic titanium industry. Deposits were examined from May

    Jan 1, 1961

  • NIOSH
    RI 6002 Some Nonmetallic Mineral Resources For Alaska's Construction Industry ? Introduction And Summary

    By R. S. Warfield

    Following World War II, the rapid increase in both military and civilian activity in the area served by the Alaska Railroad stimulated interest in the availability of local sources of nonmetallic mine

    Jan 1, 1962

  • NIOSH
    RI 4495 Investigation Of The Irwinton Bauxite District Wilkinson County, Ga.

    By William A. Beck

    Since bauxite mining began in the Irwinton District, Wilkinson County, Ga., in 1912, it has been on a small scale, as most of the deposits of high-grade ore are small. The bauxite has a high silica co

    Jan 1, 1949

  • NIOSH
    RI 9131 Time-Dependent Behavior of Coal Measure Rocks: Adsorption Rate and Strength Degradation

    By Sathit Tandanand

    This report presents a Bureau of Mines study on the time-dependent behavior of coal measure rocks for future implementation in stability analysis and safety evaluation of in-mine rock structures. This

    Jan 1, 1987

  • NIOSH
    RI 3395 Extinction Of Propylene Flames By Diluting With Nitrogen And Carbon Dioxide And Some Observations On The Explosive Properties Of Propylene ? Introduction

    By G. W. Jones

    [As a part of its investigations pertaining to the promotion of safety, the Bureau of Mines is investigating various means, useful for the elimination or mitigation of the explosion hazards of combust

    Jan 1, 1938

  • NIOSH
    RI 3395 Extinction Of Propylene Flames By Diluting With Nitrogen And Carbon Dioxide And Some Observations On The Explosive Properties Of Propylene ? Introduction (cf87e138-7d16-4436-93fa-f44b1b25c04b)

    By G. W. Jones

    As a part of it investigations pertaining to the promotion of safety, the Bureau of Mines is investigating various means, useful for the elimination or mitigation of the explosion hazards of combustib

    Jan 1, 1938

  • NIOSH
    RI 3744 Analyses of Crude Oils from Some West Texas Fields

    By Boyd Guthrie

    The current use of Mid - Continent crude oil for the manufacture of war products , such as aviation gasoline and lubricating cil , has caused an acute shortage of available supply from established sou

    Jan 1, 1944

  • NIOSH
    IC 8499 A Simplified Oil And Gas Well Information Retrieval System

    By Jerry G. Craig

    The Bureau of Mines has developed a computerized oil and gas well data retrieval system from studies of the waterflood potential of a producing reservoir. This system stores pertinent information abou

    Jan 1, 1971

  • NIOSH
    RI 6348 Formation and Flammability of Stratified Methane-Air Mixtures

    By Michael G. Zabetakis, Israel Liebman, Henry E. Perlee

    Flammability studies conducted to date on stratified methane - air and pentane - air mixtures in air indicate that location and extent of a flammable layer are affected by molecular diffusion , gas mo

    Jan 1, 1964

  • NIOSH
    RI 6270 Vibrations From Blasting At Iowa Limestone Quarries

    By Wilbur I. Duvall

    Twelve millisecond delayed blasts in four limestone quarries in Iowa were instrumented with arrays of vertical velocity gages to determine if the direction of propagation through the rock or the metho

    Jan 1, 1963

  • NIOSH
    IC 7955 Methods And Costs Of Sinking A Circular Concrete-Lined Ventilation Shaft ? Summary

    By Lloyd Williams

    A vertical air shaft in the Birmingham, Ala., iron district was sunk with a circular cross section and lined with concrete at a relatively low cost to provide needed ventilation for an iron-ore mine.

    Jan 1, 1960

  • NIOSH
    RI 5791 Low-Temperature Heat Capacities And Entropies At 298.15° K. Of Monotungstates Of Sodium, Magnesium, And Calcium ? Introduction And Summary

    By E. G. King

    In continuation of the study of thermodynamic properties of the common interoxidic compounds of ferroalloy elements, this report gives the results of low-termperature heat-capacity measurements and en

    Jan 1, 1961

  • NIOSH
    IC 8736 Computer Graphics Demonstration-Area Coal Availability Studies

    By John R. Bitler

    A computerized napping system was developed by the Bureau of Mines to provides procedures for the rapid and inexpensive display of coal reserve data. Mapping system output consists of two types of map

    Jan 1, 1977

  • NIOSH
    IC 6140 VIII. Mining Laws Of Bolivia ? Prefatory Note

    By A. D. Garman

    This paper presents one of a series of digests of foreign mining legislation and court decisions which is being prepared in advance of a general report relative to the right of American citizens to ex

    Jan 1, 1929

  • NIOSH
    IC 6189 Electrical Blasting In Sinking Montreal No. 5 Shaft - Also Some Safety Practices At The Montreal Mine

    By F. S. Crawford

    Interesting data on electric blasting and sinking of the Montreal No. 5 shaft of the Montreal Mining Co., Montreal, Wis., were obtained during the sinking of the last 877 feet of this shaft. Several u

    Jan 1, 1929

  • NIOSH
    MLA 29-89 - Mineral Investigation Of The Mexican Mountain Wilderness Study Area, Emery County, Utah ? Summary

    By David A. Benjamin

    From 1986 to 1989, at the request of the U.S. Bureau of Land Management, the U.S. Bureau of Mines studied the 59,600-acre Mexican Mountain Wilderness Study Area (UT-060-054) in order to evaluate its i

    Jan 1, 1989

  • NIOSH
    RI 7703 Methane Emission Rate Study In A Deep Pocahontas No.3 Coalbed Mine In Conjunction With Drilling Degasification Holes In The Coalbed (6068723d-2641-44a8-8f77-190babc8e74e)

    By Stephen Krickovic

    A degasification experiment was conducted in a Pocahontas No. 3 coalbed mine in Virginia. It involved (1) drilling holes in the coalbed in the out-side headings of a set of five being developed in vir

    Jan 1, 1972

  • NIOSH
    RI 3438 Progress Reports -Metallurgical Division ? 30. Electrometallurgical Investigations - Recovery Of Potassium Sulphate And Alumina From Alunite By Fusion With Boric Acid

    By J. Koster

    During the past several years, alunite from the Marysvale (Utah) region has been the subject of investigation by the Electrometallurgical Section of the Bureau of Mines. The nature and occurrence of t

    Jan 1, 1939

  • NIOSH
    RI 5349 Low-Temperature Chlorination Of Columbium-Bearing Titanium Minerals ? Summary

    By V. A. Nieberlein

    An extractive process was developed applicable to submarginal titanium deposits containing valuable minor constituents; such as columbium (niobium) and iron. The process consisted of reducing the mine

    Jan 1, 1957

  • NIOSH
    RI 3438 Progress Reports - Metallurgical Division - 30 - Electrometallurgical Investigations

    By R. G. Knickerbocker, A. L. Fox, J. Koster, P. R. Perry

    "During the past several years, alunite from the Marysvale (Utah) region has been the subject of investigation by the Electrometallurgical Section of the Bureau of Mines. The nature and occurrence of

    Mar 1, 1939