United States. Bureau of Mines. ; Eastern Associated Coal Corp. ;
Published Date:
1985
Series:
Report of investigations (United States. Bureau of Mines) ; 8929
Description:
"This Bureau of Mines report summarizes the analysis and evaluation of the field measurement results of a comprehensive ground control study conducted...
Rule, A. R. (Albert R.) ; Fergus, A. J. (Andrew J.) ; ...
Corporate Authors:
United States. Bureau of Mines.
Published Date:
1985
Description:
"Research was done by the Bureau of Mines to determine the effect of a low-molecular-weight polymer on wet grinding of quartz, dolomite, and a copper ...
Report of investigations (United States. Bureau of Mines) ; 8994
Description:
"In this Bureau of Mines investigation, the low-temperature heat capacities of polycrystalline phases corresponding to the sulfide compounds cos0.89, ...
Report of investigations (United States. Bureau of Mines) ; 8959
Description:
"Large open stopes mined by vertical crater retreat or sublevel stoping are sometimes backfilled with uncemented sand tailings to support the stope wa...
Report of investigations (United States. Bureau of Mines) ; 8955
Description:
"Shale roof deterioration in coal mines, caused by ventilation air humidity fluctuations, is a common ground control problem. Shale roof deterioration...
Report of investigations (United States. Bureau of Mines) ; 8993
Description:
"Research to evaluate the lubricity effects achieved by spraying water on the cutting bit of a mining machine or spraying water on the coal during cut...
Report of investigations (United States. Bureau of Mines) ; 8894
Description:
"This report describes recent improvements the Bureau of Mines made in the design of its shearer-clearer water-spray system for dust control on longwa...
Report of investigations (United States. Bureau of Mines) ; 8987
Description:
"Because coalbed discontinuities often pose serious economic and safety problems in underground coal mines, criteria were documented for the recogniti...
Schultze, L. E. (Lawrence E.) ; Bauer, D. J. (Donald J.) ;
Corporate Authors:
United States. Bureau of Mines.
Published Date:
1985
Series:
Report of investigations (United States. Bureau of Mines) ; 8922
Description:
"The Bureau of Mines devised a technique to recover a zn-pb concentrate from a geothermal brine. More than 99 pct of the zn and pb was precipitated by...
Report of investigations (United States. Bureau of Mines) ; 8932
Description:
"The Bureau of Mines is conducting research on methods for the rapid identification and sorting of mixed scrap metals and alloys so that domestic scra...
Report of investigations (United States. Bureau of Mines) ; 8973
Description:
"This report describes a Bureau of Mines investigation into the standard Gibbs energies of formation agf deg., for NiCr2O4 (nickel chromite) and CoCr2...
Report of investigations (United States. Bureau of Mines) ; 8984
Description:
"Cobalt-base hardfacing alloys used for wear resistance consist almost entirely of metals largely imported into the United States. As part of an overa...
Termes, S. C. (Silvia C.) ; Wilfong, R. L. (Roy L.) ;
Corporate Authors:
United States. Bureau of Mines.
Published Date:
1985
Series:
Report of investigations (United States. Bureau of Mines) ; 8944
Description:
"To help develop the basis for new fine-particle separation methods, the Bureau of Mines has investigated the use of cross-linked starches containing ...
Report of investigations (United States. Bureau of Mines) ; 8924
Description:
"In laboratory testing, the Bureau of Mines established criteria by which common resin-grouted roof bolting systems can be evaluated and compared. Ult...
Report of investigations (United States. Bureau of Mines) ; 8998
Description:
"The U.S. Bureau of Mines investigated the application of oxidation-reduction-potential (ORP) and pH measurements for environmental studies of mining/...
Smyres, G. A. (Gary A.) ; Carnahan, T. G. (Thomas G.) ;
Corporate Authors:
United States. Bureau of Mines.
Published Date:
1985
Series:
Report of investigations (United States. Bureau of Mines) ; 8949
Description:
"The Bureau of Mines conducted laboratory studies to determine the feasibility of chlorine-oxygen leaching for treating low-grade zinc sulfide flotati...
Report of investigations (United States. Bureau of Mines) ; 8950
Description:
"This Bureau of Mines study examines the acoustic vibrational spectra of rock slabs in the range from 0 to 5,000 hz. The power spectra of so-called dr...
United States. Bureau of Mines. ; University of Alabama. ;
Published Date:
1985
Series:
Report of investigations (United States. Bureau of Mines) ; 8939
Description:
"Florida has accumulated about 400 million tons of phosphogypsum, a mineral process waste generated in the production of fertilizer, and is adding 30 ...
Tuscaloosa Research Center (United States. Bureau of Mines)
Published Date:
1985
Series:
Open file report (United States. Bureau of Mines) ; 1985-127
Description:
"In its role of providing technical assistance to the mining industry, the Bureau of Mines' Tuscaloosa Research Center has conducted research to devel...
Links with this icon indicate that you are leaving the CDC website.
The Centers for Disease Control and Prevention (CDC)
cannot attest to the accuracy of a non-federal website.
Linking to a non-federal Website does not constitute an
endorsement by CDC or any of its employees of the sponsors or
the information and products presented on the website.
You will be subject to the destination website's privacy
policy when you follow the link.
CDC is not responsible for Section 508 compliance
(accessibility) on other federal or private websites.
For more information on CDC's web notification policies, see Website Disclaimers.