Search Documents
Search Again
Search Again
Refine Search
Refine Search
-
IC 8623 Theoretical And Experimental Studies On The Packing Of Solid Particles: A Survey
By R. S. Fowkes
The degree and manner of packing of bulk materials influences all phases of their loading, such as by a front end loader or a dragline, and their mechanics of flow, such as through a binhopper or an o
Jan 1, 1974
-
RI 2152 Some Physical & Chemical Data On Colorado Oil Shale - In Cooperation with the State of Colorado
By Leslie H. Sharp, Martin J. Gavin
"Introduction.Investigations of the oil shales of the State of Colorado were begun February 1, 1920, by the U. S. Bureau of Mines and the State of Colorado, under cooperative agreement entered into by
Aug 1, 1920
-
Metal Operator Mining Facts ? 2006 - Mining Operations (4dcf7765-206b-461b-bf5d-3afbf0fbe5a8)
In 2006, a total of 280 metal mining operations reported employment to the Mine Safety and Health Administration (MSHA).1 Metal mines were the smallest mining commodity sector, comprising 1.9% of all
Sep 1, 2008
-
IC 8755 Design Guide For Metal And Nonmetal Tailings Disposal
By Roy L. Soderberg
The Bureau of Mines has conducted substantial research on the design, construction, and operation of metal and nonmetal tailings ponds. This design guide, like related Bureau publications that precede
Jan 1, 1977
-
Barrier Pillars In The Southern Field - Anthracite Region Of Pennsylvania - Summary
By S. H. Ash
THE INVESTIGATION of barrier pillars in the Southern field is part of the comprehensive study of the mine water problem in the anthracite region of Pennsylvania by the Federal Bureau of Mines (1, 2, 5
Jan 1, 1953
-
IC 6446 Mining And Crushing Methods And Costs At The Limestone Mine Of The West Penn Cement Co., West Winfield, Pa. - Introduction
By George A. Morrison
This paper describing the methods of mining and crushing limestone at the West Winfield, Pa., limestone mine of the West Penn Cement Co., is one of a series being prepared by the Bureau of Mines on mi
Jan 1, 1931
-
RI 3573 Use Of Brine In A Kansas Field For Secondary Recovery Of Oil ? Introduction
By C. J. Wilhelm
Brine produced from subsurface formations may be employed successfully instead of fresh water as a flooding, medium in the secondary recovery of oil. The feasibility of this substitution has been prov
Jan 1, 1941
-
RI 3573 Use Of Brine In A Kansas Field For Secondary Recovery Of Oil ? Introduction (841ee18f-f5bf-442b-b3bf-b68defa58be5)
By C. J. Wilhelm
Brine produced from subsurface formations may be employed successfully instead of fresh water as a flooding, medium in the secondary recovery of oil. The feasibility of this substitution has been prov
Jan 1, 1941
-
IC 8236 Reconnaissance Of Iron Resources In Arizona
By C. M. Harrer
Reconnaissance investigations were made of 129 iron occurrences in Arizona to determine their extent, attitude, and potential; character samples were analyzed to determine their quality and impurities
Jan 1, 1964
-
IC 8236 Reconnaissance Of Iron Resources In Arizona (d79c4271-9fa1-489e-b56a-9a0612f1d474)
By C. M. Harrer
Reconnaissance investigations were made of 129 iron occurrences in Arizona to determine their extent, attitude, and potential; character samples were analyzed to determine their quality and impurities
Jan 1, 1964
-
Modification of Alveolar Macrophage Function with Bis-Basic Ethers of Fluorene and Fluoren-9-Substituted Derivatives
By Y. H. Cheng, D. M. Lewis, V. Castranova, M. W. Barger, J. K. H. Ma, J. Y. C. Ma, W. F. Xin
Bis-basic ethers off fluorene and fluoren-9-substituted derivatives such as tilorone have been reported to inhibit silica-induced fibrosis in rats. The potential antifibrotic potency of 2,7-bis (dieth
Dec 1, 1996
-
OFR-55-80 Analysis Of Industry Research And Development Recommendations In Mining And Reclamation Technology
Recommendations from 44 mining industry workshops are summarized and reviewed in the context of Bureau of Mines research and development programs on-going during the period 1974-1977. Approximately 1,
Jan 1, 1979
-
IC 9059 Precious Metals Recovery From Low-Grade Resources - Proceedings: Bureau Of Mines Open Industry Briefing Session At The National Western Mining Conference, Denver, CO, February 12, 1986
This information circular describes research the Bureau of fines has conducted to improve technology for recovering precious metals from low-grade resources. Many of the reported findings are recent,
Jan 1, 1986
-
RI 5332 Analyses Of Tipple And Delivered Samples Of Coal (Collected During The Fiscal Year 1956) ? Introduction
By S. J. Aresco
The Bureau of Mines has been active in promoting the purchase of coal for Government use under specifications that define the requirements in terms of heating value of the coal, expressed in British t
Jan 1, 1957
-
IC 7178 Multiple-Shift Mechanical Mining In Some Bituminous-Coal Mines. Progress Report 3
By Albert L. Toenges
This paper is the third of a series4/ that describes some methods and practices of mining coal mechanically where operations are conducted on more than one shift. The mining of coal by means of mechan
Jan 1, 1941
-
RI 3384 Friability Of Alabama Coals ? Introduction (876a251e-e815-438f-b597-16e67f675a7f)
By Ellis S. Hertzog
The data published in this report cover only one phase of a special study of the physical and chemical properties of Alabama coals made by the Bureau of Mines. In addition to determinations of friabil
Jan 1, 1938
-
RI 2705 Calcium Sulphate Retarders for Portland Cement
By Ernest E. Berger
"INTRODUCTIONOne of the outstanding problems in the normetallic industries, and one which involves two of the greatest of these industries, cement and gypsum, is the reaction of Portland cement with c
Sep 1, 1925
-
RI 4456 Synthetic Liquid Fuels, 1948 Annual Rpt., Pt. 1 Oil from Coal
By BUREAU OF MINES
In 1948 the United States became a net importer of oil. Coupled with an unprecedented domestic production of 5,900,000 barrels daily, imports approximating 500,000 barrels made available a total suppl
Jan 1, 1949
-
IC 8287 Injury Experience In Coal Mining, 1963 - Analysis Of Mine Safety Factors, Related Employment, And Production Data ? Introduction (23d545a8-3452-428e-adb1-cd5e7b8a0be0)
By Forrest T. Moyer
To keep the mineral and allied industries informed of trends in the causes of accidents, and to point out the need for corrective measures, the Bureau of Mines collects, analyzes, and periodically pub
Jan 1, 1966
-
RI 3251 Engineering Studies And Results Of Acid Treatment Of Wells, Zwolle Oil Field, Sabine Parish, La. - Introduction
By R. E. Heithecker
The Zwolle oil field of Sabine Parish, La., is different from most oil producing areas of the State in that the oil is obtained from marl and chalkrock formations. The thickness of the reservoir rocks
Jan 1, 1934