Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
OFR-54-73 Evaluation Of Present Shotcrete Technology For Improved Coal Mine Ground Control
By S. A. Bortz
This report presents the results of an extensive laboratory testing program to determine the physical properties of shotcrete including the use of fast-set agents, controlled set cements, and both wet
Jan 1, 1973
-
IC 7149 Marketing Of Barite ? Properties
By Bertrand L. Johnson
Barite, the natural sulfate of barium (BaSO4), is the most important barium mineral. Normally it is white (opaque to translucent), but impurities sometimes render it yellow, gray, blue, brown, red, or
Jan 1, 1941
-
IC 7173 Technical Research By The Bureau Of Mines In Oil And Gas Production, Refining, And Utilization ? Introduction
By H. C. Miller
Several agencies of the Federal Government are engaged in research and fact finding relative to petroleum and natural gas, and others are concerned with carrying out the provisions of specific laws th
Jan 1, 1941
-
Roof Screening: Best Practices And Roof Bolting Machines
By Susan B. Robertson, Gregory E. Hinshaw
Many injuries are caused each year by rock falls in coal mines. Most of these injuries are not caused by major roof collapses, but from falls of smaller rocks from the immediate top or roof skin. Vari
-
RI 4030 Coking Coal Deposits on Lookout Mountain Dekalb and Cherokee Counties, Ala.
By Don M. Coulter
"INTRODUCTION The Lookout Mountain coal deposits were examined by J.L. Stratton, an engineer of the Bureau of Mines in April and May 1943. The area investigated includes that part of southern Lookout
Feb 1, 1947
-
OFR-9(2)-72 Coal Mine Rescue And Survival System - Volume II - Communications/Location Subsystem
The design, specification, and performance evaluation of the Communications and Location portions of a Coal Mine Rescue and Survival System are described. The work was performed as part of a nine mont
Jan 1, 1971
-
IC 8525 Petroleum And Oil-Shale Research Of The Bureau Of Mines, Fiscal Year 1969
By Bill Linville
During fiscal year 1969, the Bureau of Mines was engaged in 66 projects to improve methods for producing and utilizing petroleum. Programs directed toward the continued conservation of this natural re
Jan 1, 1971
-
RI 6046 Differential Sulfatization Of A Georgia Manganiferous Iron Ore ? Introduction And Summary
By H. P. LeVan
The aced for reliable reserves of the essential element, manganese, has been a continuing concern of the Federal Government for more than three decades. Because of the increasing vulnerability of outs
Jan 1, 1962
-
OFR-120-78 Improved Fire Protection System For Underground Fueling Areas - Volume I
By B. C. Christensen
The contract objectives are (1) to develop safe practice guidelines which will minimize the chance of fires in underground fueling areas and (2) to develop a low-cost, reliable, automatic fire protect
Jan 1, 1977
-
IC 8853 Proceedings Of The Workshop On Techniques For Measurement Of Thermodynamic Properties, Albany, Oreg., August 21-23, 1979
To improve communication among Government, industry, and academic researchers in the field of thermodynamics, the Federal Bureau of Mines sponsored a Workshop on Techniques for Measurement of Thermody
Jan 1, 1981
-
OFR-115(1)-76 Technical And Economic Study Of The Modified In Situ Process For Oil Shale - Vol. I Investigation And Results
By James L. Ash
This report contains the results of a technical and economic evaluation of conceptual systems for the underground mining, rubblization, and in situ retorting of deep oil shale deposits. Study efforts
Jan 1, 1976
-
RI 3353 Earth Vibrations Caused By Quarry Blasting - Progress Report I ? Introduction
By J. R. Thoenen
This paper outlines briefly results of seismic measurements recorded in the vicinity of quarry blasting under practical operating conditions. The data cover field work done from January to the middle
Jan 1, 1937
-
SP-18-94 - Improving Safety At Small Underground Mines: Proceedings: Bureau Of Mines Technology Transfer Seminar
By Robert H. Peters
This U.S. Bureau of Mines report identifies the types of serious accidents that occur most frequently at small underground coal mines and describes the strategies that could help prevent these acciden
Jan 1, 1994
-
RI 2277 Selected Bibliography on Oil Shale
By E. H. Burroughs, M. J. Gavin
The references in the following compilation are selected chiefly from the literature of the years 1915-1920 , though a few of the more valuable standard works published before that period have necessa
Sep 1, 1921
-
OFR-29-77 Guidelines For Mining Near Water Bodies
The purpose of this study is to formulate practical guidelines for active underground mining in close proximity to water bodies. This was accomplished through systematic completion of three phases of
Jan 1, 1976
-
Minerals In The World Economy (4f2c8163-faac-49f3-918b-913167005140)
By Charles L. Kimbell
The year 1979 was a period of increased activity for the world's mineral industry, distinctly in contrast with 1978 when estimated world crude mineral output value declined slightly and most phas
Jan 1, 1981
-
The Mineral Industry Of Canada
By Lester G. Morrell
AGAIN in 1963, as in nearly every year since 1946, the Canadian mineral industry has established a new national record in value of mineral production. The 1963 estimated total value of $2,976 million
Jan 1, 1964
-
OFR-27-72 The Miner, His Job And His Environment: A Review And Bibliography Of Selected Recent Research On Human Performance ? Executives? Summary
By Charles Fried
The Coal Mine Health and Safety Act passed by Congress in 1969, called for research to alleviate the occupational stresses and hazards of coal miners. Spurred by a series of recent mine disasters the
Jan 1, 1972
-
OFR-48-78 Roof Bolting Hazard Analysis Study
By J. H. Adkins
The purpose of this research is to identify hazards associated with roof bolting and to make recommendations for procedural and equipment design changes to reduce those hazards. To that end, the proje
Jan 1, 1977
-
OFR-122(1)-80 Alumina Process Feasibility Study And Preliminary Pilot Plant Design - Task 3 Report: Preliminary Design Of 25 Ton Per Day Pilot Plant - Volume I - Process Technology And Costs
By K. B. Bengtson
This task report provides the process technology, preliminary design, capital and operating costs for a 25 TPD pilot plant to produce cell-grade alumina using a clay/hydrochloric acid extraction - HCI
Jan 1, 1979