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  • NIOSH
    RI 4930 Water Flooding the Oil Fields of Anderson, Franklin, Linn and Miami Counties, KANS

    By J. L. Eakin, J. P. Powell

    "The increased costs of exploration and drilling of new oil fields and the continued success of water flooding in nearly depleted oil fields have created a demand for information on the results obtain

    Jun 1, 1953

  • NIOSH
    Bulletin 207 The Analytical Distillation of Petroleum and its Products

    By N. A. C. Smith, E. W. Dean, W. A. Jacobs, H. H. Hill

    Fractional distillation is the most important process in the commercial refining of petroleum. The same procedure, conducted on a small scale, is the basis of a number of analytical methods of wide ap

    Jan 1, 1922

  • NIOSH
    RI 5970 A Computer Program For Calculating Coordinates And Elevations Of Survey Stations Located By Intersection ? Summary And Introduction

    By F. L. Wideman

    This report describes a computer program that is used for the calculation of the coordinates and elevations of subsidence survey pins located by intersection. This program was developed for the Federa

    Jan 1, 1962

  • NIOSH
    IC 8673 Estimating Direct Costs Of Development In A Block Caving Mine

    By Nils A. Eilertsen

    This Bureau of Mines report describes the unit cost procedure for estimating direct development costs within a cave block in an undercut block caving mine. Costs of supervision, labor, equipment, and

    Jan 1, 1975

  • NIOSH
    Coal Composition, Coal Plasticity, And Coke Strength

    By W. R. K. Wu

    Results of linear correlations of two to four variables by the least-squares method are presented. The variables include 63 parameters representing coal composition, coal plasticity, and coke strength

    Jan 1, 1971

  • NIOSH
    RI 4763 Preparation Characteristics Of Coal Occurring In Indiana County, Pa.

    By William L. Crentz

    This study of the preparation characteristics of the coals in Indiana County, Pa., is the second in a series of Bureau publications appraising the Nation's coking-coal reserves by counties and th

    Jan 1, 1951

  • NIOSH
    OFR-189-82 Haulroad Sign Design Study And Demonstration

    By King K. Mak

    The objectives of this study are to: (1) Assess current signing regulations and practices; (2) Develop effective signing guidelines; and (3) Evaluate the applicability and appropriateness of the propo

    Jan 1, 1981

  • NIOSH
    IC 7448 Mining Methods of the Holden Mine, Howe Sound Co., Chelan Division, Holden, Wash

    By R. L. Soderberg

    This paper is one of a series on mining methods and costs being published by the Bureau of Mines. It describes briefly the mining methods employed since the start of operations in 1937, with emphasis

    Jun 1, 1948

  • NIOSH
    IC 8607 Analyses Of Natural Gases, 1972 ? Introduction

    By L. E. Cardwell

    This publication contains routine analyses and related source data for 299 natural gas samples from 22 States and three foreign countries. All of the samples were collected during calendar year 1972 a

    Jan 1, 1973

  • NIOSH
    Sponge-Iron Experiments At Mococo - Introduction - A Local Problem In Conservation

    By Chas. G. Maier

    The absence of plants on the Pacific coast for the reduction of iron ores usually is attributed to the fuel situation there. Thus, the bulletin of the. State Division of Mines for 1933, entitled "Cali

    Jan 1, 1936

  • NIOSH
    IC 8581 Technologic Trend In The Minerals Industry, 1971

    This report, the second in an annual series, summarizes information on latest technological developments and advances, and identifies trends in mining and metallurgy based on a review of activities in

    Jan 1, 1973

  • NIOSH
    RI 4181 Lead and Zinc Deposits of the Treasure Hill Mines Ophir Mining District, Tooele County, Utah

    By F. H. Gunnell, W. C. Dunham

    "INTRODUCTION The Treasure Hill mines, situated in Dry Canyon, Ophir mining district, Tooele County, Utah, together with several other properties in the district, examined were examined by Frank L. Wi

    Jan 1, 1948

  • NIOSH
    RI 4490 Zinc-Lead Ore Reserves Of The Tri-State District Missouri-Kansas-Oklahoma

    By Otto Ruhl

    The zinc-lead ore reserves of the Tri-State district of Kansas, Missouri, and Oklahoma, as of December 31, 1947, are estimated at a total of 66,100,000 tons of crude ore containing 2.18 percent metall

    Jan 1, 1949

  • NIOSH
    IC 6829 Bituminous Coal·Mine Safety Inspection Outline

    By W. J. Fene, G. W. Grove

    An important activity of the Safety Division of the Bureau of Mines , in its efforts to reduce accidents , is the safety inspection of mines . Inspections are made at the request of the operators and

    Mar 1, 1935

  • NIOSH
    Quarry Accidents In The United States During The Calendar Year 1938 - Introduction

    By William W. Adams

    The quarrying and related industries of the United States improved their safety record in 1938 by reducing their accident-frequency rate to a lower acid more favorable position than it has occupied at

    Jan 1, 1940

  • NIOSH
    RI 3896 Exploration of El Dorado Copper Mine, El Dorado Co., CA

    By R. H. Bedford

    "The El Dorado copper mine is situated in the foothill copper-zinc belt of California, which traverses the western slope of the Sierra Nevada with unusual persistence from Butte County to Kern County,

    Jun 1, 1946

  • NIOSH
    OFR-59(2)-73 Phase I Final Report - Volume 2 Of 3 - Feasibility Study Of Surface Impregnation Equipment For Chemical Stabilization Of Coal-Mine Structures

    This report summarizes the work performed and results achieved in the period from 18 June 1971 through 18 October 1971 under Phase I (Task 1: Literature and Industry Search; Task 2: Conceptual Design

    Jan 1, 1972

  • NIOSH
    RI 5268 Electric Smelting Of Low-Grade Chromite Concentrates ? Summary

    By J. P. Walsted

    Offgrade chromite concentrate, with a Cr-Fe ratio of 1.3 to 1.4 has been successfully smelted to produce useful ferroalloys. The Cr-Fe ratio is not improved, but the alloys can be used without a too d

    Jan 1, 1956

  • NIOSH
    OFR-72-80 Design, Fabrication And Demonstration Of An Inert Gas Generator - Volume II

    By Steven K. Ruggieri

    This report describes the operation and maintenance of the Mobile Inert Gas Generator for use in the Remote Sealing System for fighting underground coal mine fires. Seals are emplaced in mine passagew

    Jan 1, 1980

  • NIOSH
    RI 6572 Investigation of Beryllium Deposits in the Northern Virgin Mountains of Clark County, Nev., and Mohave County, Ariz

    By George H. Holmes

    Beryllium deposits in the northern Virgin Mountains , Clark County , Nev . , and Mohave County , Ariz . , about 70 miles northeast of Las Vegas , were investigated by the Bureau of Mines . The investi

    Jan 1, 1964