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National Occupational Research Agenda (NORA)
By NORA Mining Sector Council
The National Occupational Research Agenda (NORA) is a partnership program to stimulate innovative research and workplace interventions. In combination with other initiatives, the products of this prog
Feb 1, 2024
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OFR-4-77 Feasibility Study Of Detecting Voids By Shear Wave Refraction Methods ? Summary
By Roger M. Turpening
This study was performed to examine the feasibility of using seismic shear waves to detect the presence of abandoned coal mines. !he Antiquity Coal Mine near Antiquity, Ohio was used as a region of kn
Jan 1, 2012
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Mineral Investigation In The Juneau Mining District, Alaska, 1984-1988 - Vol. 1 - Executive Summary ? Introduction
This report is the first in a "final" series of publications on the Juneau Mining District (JMD). This volume summarizes the results of Bureau of Mines (Bureau) investigations in the JMD during the pe
Jan 1, 2012
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Bureau Of Mines Mineral Investigations In The Juneau Mining District, Alaska, 1984-1988 - Volume 2.- Detailed Mine, Prospect, And Mineral Occurrence Descriptions - Introduction
This publication summarizes the Bureau's activities as part of a study of the Juneau Mining District (JMD) during the period 1984-1988. The objectives of the program were to identify the type, am
Jan 1, 2012
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Mineral Investigation In The Juneau Mining District, Alaska, 1984-1988 - Vol. 3 - Industrial Minerals
By Kenneth Maas
The Bureau of Mines devoted portions of the 1987-1988 field seasons to investigate the mineral aggregate industry in Juneau, Skagway, Haines, and Gustavus, Alaska, as part of the Juneau Mining Distric
Jan 1, 2012
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OFR-3(1)-75 Design And Development Of Protective Canopies For Underground Low Coal Electric Face Equipment, Including Shuttle Cars
By R. Farrar
Protective canopies for conventional electric face equipment, including shuttle cars, operating in low coal (less than 48 inches) were designed, fabricated, installed and evaluated on in-mine machines
Jan 1, 2012
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OFR-57-74 Characteristics Of Attached Radon-222 Daughters Under Both Laboratory And Field Conditions With Particular Emphasis Upon Underground Uranium Mine Environments 211B01191 ? Summary ? Objective
By J. A. Cooper
The objectives of this research were to define the chemical composition and physical characteristics of the aerosols associated with attached radon daughters in operating uranium mines, and to investi
Jan 1, 2012
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Bureau Of Mines Mineral Investigations In The Juneau Mining District, Alaska, 1984-1988 - Volume 2.- Detailed Mine, Prospect, And Mineral Occurrence Descriptions - Section A - Haines-Klukwan-Porcupine Subarea ? Introduction
By Jan C. Still
The Haines-Klukwan-Porcupine subarea of the Juneau Mining District (JMD) is located in the northern portion of the JMD and consists of the land between the Alaska-British Columbia boundary, the Chilko
Jan 1, 2012
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OFR-5-74 Summary Of Heavy Metals Study At San Juan Ridge, Nevada County, California
By Russell R. McLellan
The Tertiary channel gravel deposits in northern California were selected Or detailed investigation by the U. S. Bureau of Mines as part of a national program to locate potential sources of gold that
Jan 1, 2012
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OFR-15-76 Study Of Mine Fire Fighting Using Inert Gases - Summary
By Rudolf E. Greuer
This report contains a theoretical study on the usefulness of fighting mine fires with inert gases. Four introductory chapters review the role of fires in the mining industry; the conventional fir
Jan 1, 2012
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OFR-54-76 A Conceptual Design And Feasibility Study Of A Variable Wall Mining Machine ? Executive Summary
The contractor examined L.T. White's Patent No. 3524680 and, finding it in need of engineering refinements, proceeded with a conceptual design of a variable wall mining machine. The contractor th
Jan 1, 2012
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Bureau Of Mines Mineral Investigations In The Juneau Mining District, Alaska, 1984-1988 - Volume 2.- Detailed Mine, Prospect, And Mineral Occurrence Descriptions - Section D - Juneau Gold Belt Subarea ? Introduction ? Location
By Earl C. Redman
The Juneau Gold Belt, centered on Juneau and approximately 120 miles long by 10 miles wide, stretches from Berners Bay on the north to Windham Bay on the south (fig. D-l). Access within the Juneau Gol
Jan 1, 2012
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OFR-28-72 Systems Analysis Of An Inherently Explosion-Proof Coal Mining Operation
The inherently explosion-proof mine (EPM) concept is based upon the non-flammability of certain combustible-oxidant-inert gas mixtures, and the effect of partial pressure of gases on physiological rea
Jan 1, 2012
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OFR-111-82 Development Of A Call Alert System For Paging Mine Personnel
By John E. Trombly
System objectives and design criteria for an in-mine ULF radio paging system are discussed Coding formats, frequency and bandwidth selection criteria leading to the system design are discussed. The pr
Jan 1, 2011
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OFR-86-95 The Magnitude 5.3 Seismic Event And Collapse At The Solvay Trona Mine: Analysis Of Pillar/Floor Failure Stability - Acknowledgments
By Peter L. Swanson
This investigation, which began 90 minutes after the February 3, 1995, seismic event, has benefitted from the assistance of a large number of individuals. These individuals provided information, data,
Jan 1, 2011
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OFR-50-88 Mineral Investigations In The Juneau Mining District, Alaska (Eagle River Area)
By Joseph M. Kurtak
The Bureau of Mines conducted a four year (1985-1988) mineral assessment of the Juneau Mining District in southeast Alaska as part of its ongoing statewide mining district evaluation program. Followin
Jan 1, 2011
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OFR-54-86 Mineral Investigations In The Chugach National Forest, Alaska (Islands Area)
By Joseph M. Kurtak
The Bureau of Mines (Bureau) and the U.S. Geological Survey (USGS) conducted a 4-year (1979-1982) mineral assessment study of the Chugach National Forest (CNF), Ak, as part of the Roadless Area Review
Jan 1, 2011
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OFR-194-84 Minerals Availability Commodity Directory on Cobalt
By William L. Rice
This Bureau of Mines Open Pile Report on cobalt is one of a series of minerals availability commodity deposit abstracts. Nonconfidential information from the Minerals Availability Program data base co
Jan 1, 2011
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RI 9586 - Evaluation of Smoke Detectors for Mining Use (c217c400-b017-4cef-8682-6db1c8157b93)
By John C. Edwards
The U.S. Bureau of Mines has constructed a smoke chamber and developed sensitivity tests for smoke detectors. Response of ionization-and optical-type commercially available smoke detectors have been i
Jan 1, 2010
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RI 9550 - Field Demonstration of Two Pneumatic Backfilling Technologies
By Robert C. Dyni
This U.S. Bureau of Mines (USBM) report summarizes a field demonstration of pneumatic backfilling technologies conducted at the abandoned Hillside Coal and Iron Slope in Vandling, P A. Researchers dem
Jan 1, 2010