Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
IC 8128 Bibliography Of Tar Bases: Analysis, Production, Synthesis, And Utilization ? Introduction
By Howard W. Wainwright
This bibliography was compiled by the Bureau of Mines as part of an investigation into the possible utilization of low-temperature coal-tar bases. The bibliography consists of literature and patent re
Jan 1, 1962
-
RI 7891 Performance Characteristics of Coal-Washing Equipment: Hydrocyclones
By Albert W. Deurbrouck
The performance characteristics of five hydrocyclone coal washers were evaluated to determine the sharpness and efficiency of separation that might be anticipated in commercial operation. The hydr
Jan 1, 1974
-
RI 7085 Face Ventilation In Underground Bituminous Coal Mines - Airflow Characteristics Of Flexible Spiral-Reinforced Ventilation Tubing
By R. G. Peluso
Methods and results of studies to determine friction and shock losses encountered in auxiliary face ventilation systems utilizing flexible, spiral-reinforced ventilation tubing are presented. The resu
Jan 1, 1968
-
IC 8891 Premining Investigations For Hardrock Mines - Proceedings: Bureau Of Mines Technology Transfer Seminar, Denver, Colo., September 25, 1981
These proceedings consist of papers presented at a Bureau of Mines Technology Transfer Seminar in September 1981 for the purpose of disseminating recent advances in mining technology in the area of pr
Jan 1, 1982
-
RI 3345 Permissible Electrically Operated Rock-Dust Distributors ? Introduction
The general nature of the special constructional features that are required to provide safety from explosion hazards on machines approved as permissible by the Bureau of Mines is fairly well known to
Jan 1, 1937
-
OFR-167-82 Selective Placement Of Strip Mine Overburden In Montana - V Summary Report
By D. J. Dollhopf
The objective of this five year study was to investigate the means of establishing non-polluted ground-water and root zone systems in areas where surface mining intercepts physiochemically unsuitable
Jan 1, 1981
-
OFR-64-75 Proceedings Of The Second WVU Conference On Coal Mine Electrotechnology
A compilation of papers presented at The Second WVU Conference on Coal Mine E1ectrotechnology in Morgantown, West Virginia on June 12 -14, 1974. Papers cover areas of electric power, electronic commun
Jan 1, 1974
-
IC 8576 Methods And Costs Of Coal Refuse Disposal And Reclamation
The Bureau of Mines is active in programs pertaining to solid waste disposal and land reclamation. Nine reclamation projects of mining companies and six projects of the Commonwealth of Pennsylvania we
Jan 1, 1973
-
IC 7733 Survey Of Dust-Control Practices In The Coal-Mining Industry - Summary
By R. W. Barnes
This circular presents results of a survey conducted by the Bureau of Mines to ascertain the extent to which dust-control practices are employed in the coal-mining industry. This survey was initiated
Jan 1, 1956
-
RI 3336 Beneficiation Of Spodumene By Decrepitation ? Introduction (132e4d98-bf25-4fae-a900-bb38ff5b3820)
By Foster Fraas
One of the lithium minerals most widespread in the earth's surface is spodumene (Li20-A1203-4Si02), a lithium aluminium silicate. For some time, deposits of this mineral were known to exist in th
Jan 1, 1937
-
RI 3429 Cooperative Fuel Research Motor-Gasoline Survey, Summer 1938 ? Introduction (1755a138-dac6-483a-b929-64b5978b329e)
This is the sixth in a series of reports on properties of commercial motor fuels, made in accordance with a cooperative agreement between the Cooperative Fuel Research (C.F.R.) Committee and the Burea
Jan 1, 1938
-
OFR-28-88 Potentially Critical Materials
By Russell J. Foster
In this Bureau of Mines report a selection process has identified 14 nonstockpiled materials (cesium, gallium, hafnium, indium, osmium, rhenium, rhodium, rubidium, ruthenium, scandium, selenium, tellu
Jan 1, 1988
-
Measuring Mining Safety With Injury Statistics: Lost Workdays As Indicators Of Risk
By Patrick J. Coleman, John C. Kerkering
Problem: Mining in the United States remains one of the most hazardous industries, despite significant reductions in fatal injury rates over the last century. Coal mine fatality rates, for example, ha
-
IC 8119 Bureau Of Mines Research And Technologic Work On Coal, 1960 ? Introduction
This report is the 25th in a series summarizing Bureau of Mines research and technologic work on coal and related investigations, and the 7th of these reports to be issued on a calendar-year basis.3 I
Jan 1, 1962
-
Overview Of Ground Control Research For Underground Coal Mines In The United States
Underground coal mining continues to evolve in the U.S., and more reserves are being mined under deeper cover, with worse roof, or with interactions from previous workings. At the same time, the minin
-
RI 3610 Beneficiation Of Alunite ? Introduction (0bc4c843-f77c-4802-a3e8-7e9cfe26205c)
By Alton Gabriel
During the fall of 1940, J. R. Thoenen of the Mining Division, Bureau of Mines, accompanied by the senior author, surveyed the more important domestic alunite deposits. Although the study was designed
Jan 1, 1942
-
RI 3610 Beneficiation Of Alunite ? Introduction
By Alton Gabriel
During the fall of 1940, J. R. Thoenen of the Mining Division, Bureau of Mines, accompanied by the senior author, surveyed the more important domestic alunite deposits. Although the study was designed
Jan 1, 1942
-
The National Economy In The Third Quarter
By Keith L. Harris
The U.S. economy continued to grow moderately in the third quarter, but at a slightly higher rate than in the previous quarter. According to the Department of Commerce's preliminary estimate, rea
Jan 1, 1985
-
RI 9642 - Accurate Navigation And Control Of Continuous Mining Machines For Coal Mining
By William H. Schiffbauer
One of the safety and health research programs of the former U.S. Bureau of Mines Pittsburgh Research Center was the evaluation of technology that will provide remote-controlled operation of mechanize
Jan 11, 1997
-
RI 3521 Measurement Of Pressures On Rock Pillars In Underground Mines - Part II
By Leonard Obert
Part I of this report3/ proposed a sonic method for determining pressure, in situ, on rock pillar, arches, and other structures. The method required (1) a laboratory determination of the variation of
Jan 1, 1940