Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
OFR-29-84 Electrical Installations In Oil Shale Mines
By Bobby B. Gillenwater
This report presents recommended guidelines and regulatory changes applicable to electrical installations in underground oil shale mines. These recommendations are based on information gathered from o
Jan 1, 1983
-
The People's Republic Of China ? A New Industrial Power With A Strong Mineral Base
By K. P. Wang
Mining and metallurgy have had a long history in China, and resources there have always been considered promising. Under the People's Republic of China (PRC), a remarkable industrial renaissance
Jan 1, 1975
-
RI 4706 Investigation Of The Lake Shore Copper Deposits, Pinal County, Ariz.
By T. M. Romslo
The Lake Shore property, located in the early 1880's, contains copper-bearing deposits that have been developed by surface excavations, underground workings, and churn-drill holes. Operation of t
Jan 1, 1950
-
OFR-68-77 FM-CW Electromagnetic Technique Of Measuring Coal Layer Thickness
By Doyle A. Ellerbruch
An FM-CW microwave system was investigated for measuring coal layer thickness. Measurements were made in three different mines near Pittsburgh, Pennsylvania, near Fairview, West Virginia, and near Cof
Jan 1, 1976
-
RI 5303 Bulk Sampling By Diamond Drilling. Dudley Manganese Deposit, Northern District, Aroostook County, Maine ? Summary And Introduction
By N. A. Eilertsen
Among the numerous Low-grade manganese deposits in eastern Aroostook County, Maine, the Dudley deposit near Mapleton in the northern district is one of the few known to contain an appreciable tonnage
Jan 1, 1957
-
MLA 22-93 - Mineral Resource Investigation Of The Peace Rock And Deadwood River Roadless Areas, Boise And Valley Counties, Idaho
By J. Douglas Causey
The Bureau of Mines conducted mineral investigations of the Peace Rock and Deadwood River roadless areas in Idaho, in 1992. Literature research was done by the Idaho Geological Survey. The study areas
Jan 1, 1993
-
OFR-7-85 Optimization And Test Of Waters Ray Coolers
By J. F. McCoy
As mining develops into deeper and hotter regions, the safety and health of miners require that the workspace be cooled. Toward this end, this program has successfully developed a high performance, lo
Jan 1, 1984
-
IC 8425 Potential Applications For Nuclear Explosives In A Shale-Oil Industry
By Frank E. Williams
Nuclear detonation data were accumulated, studied, and evaluated by the Bureau of Mines to visualize how nuclear explosives might be used in a shale?-oil industry, The evaluation shows that the Green
Jan 1, 1969
-
RI 2776 Hydrogen Sulphide Poisoning In the Texas Panhandle, Big Lake, Texas, And McCamey, Texas Oilfields
By W. P. Yant, H. C. Fowler
"INTRODUCTIONHydrogen sulphide is probably the most toxic gas associated with crude oil. Hydrocarbon (petroleum) vapors themselves are harmful to the human system, but hydrogen sulphide, when present,
Oct 1, 1926
-
Portable XRF analysis of occupational air filter samples from different workplaces using different samplers: final results, summary and conclusions
By Martin Harper
This paper concludes a five year program on research into the use of a portable X ray fluorescence (XRF) analyzer for analyzing lead in air sampling filters from different industrial environments, inc
Jan 1, 2007
-
Experimental - Laboratory Procedures - Reconstructed Soil Samples
Most laboratory sealant studies were carried out in 2.0 inch I.D. Plexiglas tubes of 9.0 inches height containing 4.0 to 4.5 inches reconstructed soil from an 0-8 or 8-16 inch soil horizon at the Lans
Jan 1, 1972
-
Prospective Studies Of Vibration Exposed Cohorts: Hand-Arm Vibration International Consortium (HAVIC) - Introduction
By T. F. Morse, R. Lundstrom, A. J. Brammer, D. Peterson, M. Cherniack, T. Nilsson, J. D. Meyer, E. Toppila, G. Neely, N. Warren
HAVIC is a collaboration of investigators from North America, Sweden, and Finland having a scientific mandate from NIOSH, to study the exposure response relationship between vibratory tool exposure an
Jan 6, 2006
-
Mineral Indicators - Aluminum (9bb20c36-40a8-40e9-869f-48965cf2a347)
The Aluminum Company of America (Alcoa) announced plans to shut down production at the remaining two potlines at its Point Comfort, Texas primary aluminum smelter due to the increased costs of natural
Jan 1, 1978
-
OFR-136-81 Upgrade Stench Fire Warning System - System Development And Prototype Tests
By Terry L. Muldoon
This report describes development and demonstration of an upgraded stench fire warning system for underground wines. Current systems, which have been used since before 1920, release an ethyl mercaptan
Jan 1, 1981
-
IC 8462 Gold Placer Mining - Placer Evaluation And Dredge Selection
By C. M. Romanowitz
This report deals with the factors which should be considered in evaluating a placer deposit and selecting a dredging system for mineral recovery. Overall dredging feasibility and the design of dredgi
Jan 1, 1970
-
RI 4486 Investigation And Laboratory Testing Of Vermiculite Deposits, Llano County, Tex.
By McMillan W. D.
Vermiculite is the name of a group of micaceous minerals characterized by their property of exfoliating when heated and thereby increasing many times their original volume. The resulting product has e
Jan 1, 1949
-
IC 8162 Water Requirements And Uses In Arizona Mineral Industries - Summary (7b84faf8-99e3-4122-89ab-d1c07a99b2db)
By M. M. Gilkey
This report describes the effects of water shortage on Arizona's mineral industries. The information presented was obtained in interviews with company representatives. Operations covered included
Jan 1, 1963
-
OFR-121-81 Innovations For Explosionproof Electrical Enclosures
By R. J. Gunderman
Explosionproof electrical enclosures for coal mine face equipment have been of the same basic design for many years without significant change. Characteristics for potential improvement were investiga
Jan 1, 1980
-
IC 8162 Water Requirements And Uses In Arizona Mineral Industries ? Summary
By M. M. Gilkey
This report describes the effects of water shortage on Arizona's mineral industries. The information presented was obtained in interviews with company representatives. Operations covered included
Jan 1, 1963
-
Installation Techniques - 6.1 The Basic Philosophy
The investment involved in any communication system represents a considerable sum. Even though it is desirable that the system work properly each and every time it is called into use, some failures ar
Jan 1, 1984