Search Documents
Search Again
Search Again
Refine Search
Refine Search
- Relevance
- Most Recent
- Alphabetically
Sort by
- Relevance
- Most Recent
- Alphabetically
-
Mineral Commodity Summaries 1995 - Significant Events, Trends, And Issues - The Mineral Sector Of The U.S. Economy
A stronger U.S. economy stimulated the domestic mineral sector in 1994. Metals demand was spurred by robust U.S. motor vehicle sales, while demand for major industrial minerals rose in response to hig
Jan 1, 1995
-
Government Actions And The Mineral Industry (b2891ca2-7713-4a55-81c5-05d913a01ebc)
Duties on Lead Imports from Mexico. - On September 15, the President signed Proclamation 4792 suspending concessions formerly granted as of January 1 on red lead imported from Mexico. The Proclamation
Jan 1, 1980
-
IC 9090 Primary Silver Availability-Market Economy Countries - A Minerals Availability Appraisal
By E. H. Boyle
The Bureau of Mines has evaluated the potential availability of silver from 436 mines and deposits in 41 market economy countries (MEC?s) comprising five major economic categories of deposits: predomi
Jan 1, 1986
-
IC 7132 Work Of The Bureau Of Mines Safety Cars In The Pennsylvania Anthracite Region From 1934 To 1939 - Introduction
By J. J. Forbes
The original organic act establishing the Federal Bureau of Mines in 1910 and the amended act of 1913 indicated that promotion of the health and safety of mine workers was to be ore of the chief funct
Jan 1, 1940
-
IC 8266.1 Review and Evaluation of Silver-Production Techniques
By B. H. Clemmons, C. H. Schack
Extractive metallurgy techniques currently employed to recover silver from primary ores and secondary scrap were reviewed and evaluated to identify and delineate metallurgical problems whose resolutio
Mar 1, 1965
-
IC 7130 Testing Respiratory Protective Equipment For Approval ? Introduction
By H. H. Schrenk
The purpose of respiratory protective equipment is to prevent the inhalation of harmful or objectionable atmospheres. Although constituents or contaminants that may render an atmosphere irrespirable o
Jan 1, 1940
-
State Mineral Summaries - 1992
The STATE MINERAL SUMMARIES publication provides estimated data and summaries of mineral activities at the State level for 1991. Most of the estimates are based on nine months data. Individual State s
Jan 1, 1992
-
Commodity Data Summaries 1975 - Aluminum
1. Domestic Production and Use: In 1974 twelve companies operated 31 primary aluminum reduction plants, three firms accounting for 64% of production. Washington, Oregon, and Montana accounted for 32%
Jan 1, 1975
-
RI 4667 Report Of Research And Technologic Work On Explosives, Explosions, And Flames Fiscal Year 1949
By Bernard Lewis
This report summarizes the fundamental research and technical studies conducted by the Explosives Branch of the Bureau of Mines from July 1, 1943, to June 30, 1949. It is the thirteenth of a series of
Jan 1, 1950
-
OFR-9(1)-80 Handbook For Surveys Of Inhalation Contaminants In Above-Ground Metal And Nonmetal Mining And Processing Work Areas
The objective of this handbook is to provide the inspector with guidance for recognizing hazards from inhalation contaminants in above ground work areas of underground and surface metal and nonmetal m
Jan 1, 2011
-
IC 7554 Reconnaissance of Metal Mining in the Sail Juan Region, Ouray, San Juan, and San Miguel Counties, Colo
By Paul T. Allsman, William H. King
This paper describes the mineral deposits and discusses mining and milling methods and related operating conditions in an important gold , silver , lead , and zinc producing area in Ouray , San Juan ,
Mar 1, 1950
-
IC 8266 Review And Evaluation Of Silver-Production Techniques
By C. H. Schack
Extractive metallurgy techniques currently employed to recover silver from primary ores and secondary scrap were reviewed and evaluated to identify and delineate metallurgical problems whose resolutio
Jan 1, 1965
-
Mineral Indicators - Aluminum
A major domestic aluminum producer raised its price for primary aluminum metal from 44 cents per pound to 48 cents per pound, effective August 5, 1976. Other major producers have increased their list
Jan 1, 1976
-
IC 8225 Copper - A Materials Survey ? Introduction
By A. D. McMahon
This survey is one of a series of Bureau of Mines publications designed to serve the needs of Government and industry for comprehensive information on mineral commodities and activities. Copper, a v
Jan 1, 1964
-
Mineral Commodities Studies 1979 - An Up-To-Date Summary Of 90 Mineral Commodities ? Aluminum
1. Domestic Production and Use: In 1978, 12 companies operated 31 primary aluminum reduction plants, with 3 firms accounting for 65% of production capacity. Washington, Oregon, and Montana accounted f
Jan 1, 1979
-
OFR-125(1)-83 Technological Innovation In The Copper Industry
By Alfred Weiss
These volumes report on the study initiated by the U. S. Bureau of Mines to develop and apply a methodology to quantitatively assess the probability and potential benefits of technological innovation
Jan 1, 1983
-
RI 9448 - Seismicity and Stress Changes Subsequent to Destress Blasting at the Galena Mine and Implications for Stress Control Strategies (9844d375-659f-4a7e-a5c0-a9fa2020e7d7)
By F. M. Boler
The U.S. Bureau of Mines conducts research at the Galena Mine, Wallace, ID, with the aim of mitigating the effects of rock bursting. Destress blasting is commonly used as a stress control technique at
Jan 1, 2010
-
IC 8266 Review And Evaluation Of Silver-Production Techniques (5d2c3b2e-2b2b-4ecf-854c-456c5dbcdfba)
By C. H. Schack
Extractive metallurgy techniques currently employed to recover silver from primary ores and secondary scrap were reviewed and evaluated to identify and delineate metallurgical problems whose resolutio
Jan 1, 1965
-
Bulletin 213 Talc and Soapstone Their Mining Milling Products and Uses
By Raymond B. Ladoo
Talc is a hydrous magnesium silicate having the chemical formula H2Mg3 (SiO8 ) 4 ; it is often called steatite, soapstone or potstorie, and by the trade names talc clay, agalite, asbestine, and verdol
Jan 1, 1923
-
OFR-5-78 Humidity Effects On Coal Mine Roof Stability
By N. B. Aughenbaugh
This report summarizes the results of an investigation into the causes of coal mine roof instability caused by the environmental characteristics of the air ventilated through a mine. The field studies
Jan 1, 1976