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By Roger N. Prescott

The Bureau of Alcohol, Tobacco and Firearms (BATF) is sponsoring legislation requiring the addition of identification taggants to commercial explosives. These are plastic particles with color coded layers that theoretically can be used to identify the explosive by date shift code.

Jan 1, 1980

Jan 1, 1968

Jan 1, 1910

Minerals Handbook 1994-95: Statistics and analyses et the world's minerals industry? by P. Crowsons, Basingstoke, Macmillan, 1994 ISBN 0 333 60931 X. £85. Available from Macmillan Direct Ltd., Houndmills, Basingstoke, Hants, RG21 2XS, UK. Review prepared by Theo J. Oosthuizen, Information and Educational Programmes Division, Mintek

Jan 1, 1995

Jan 1, 1965

By D. J. Adams, R. G. Gürtunca

CONTRIBUTION BYJ.F. CURTlS The paper, which in an exemplary manner records the monitoring of backfill behaviour, falls short in the 'rock engineering' stated in the title. Just what the objective of the rock engineering was is obscure.

Jan 1, 1992

Mr R. w.o. Kersten joined the Geological Department of Anglovaal in 1964 after obtaining a B.Sc. Honours degree in Geology at the University of Pretoria. Mr H.G. Mosenthal was educated at Pretoria Boys' High School and the University of the Witwatersrand. He holds a B.Sc. in Mining Engineering and a GDE.

Jan 1, 1985

By Adam Graf

Mineral deposits are fundamentally different from most other assets -Every deposit has unique geologic and metallurgical characteristics -Asset (resource) is finite and cannot be truly replaced. -Long timeframe and time-value of reserves -Commodity price volatility (see Torries, 1998)

Jan 1, 2003

University of Washington, Engineering Experiment Station, Seattle, Wash For bulletins and reports address the Director. Of the many Bulletins and two Reports issued by the Engineering Experiment Station the following are of most direct interest in this directory:

Jan 1, 1933

MINERAL INDUSTRY EDUCATION DIVISION Established as a Division January 15, 1932 Harry H. Power, Chairman J R. Van Pelt, Vice-Chairman J. Donald Forrester, Secretary-Treasurer Missouri School of Mines and Metallurgy, Rolla, Mo

Jan 1, 1952

By A. P. L. Kotzé

This paper gives a brief description of the control measures used in the establishment of the Grootegeluk Coal Mine, near Ellisras in the Transvaal. Specific reference is made to the planning offunds, cost and financial control, and economic evaluation.

Jan 1, 1982

Vice-Chairmen GEORGE D. BARRON, PHILIP N. MOORE, EDWARD H. BENJAMIN, ROBERT H. RICHARDS, FRED H. BOSTWICK, MILNOR ROBERTS. ELI T. CONNER, CARL SCHOLZ. C. R. CORNING, WILLIAM WRAITH, WALTER DOUGLAS, THOMAS T. READ, Secretary, Woolworth Bldg.. New York, N. Y.

Jan 1, 1917

By Rikuro Otsuka

TITANIUM is attacked slowly by hydrochloric acid," and corrosion rates decrease with time of exposure.' This behavior is due to the formation

Jan 1, 1958

Simulation and animation models have developed rapidly over the past decade. Even so, the current state-of-the-art can be viewed only as being in a state of continual development with improvements in both hardware and software constantly being

Jan 1, 1998

It was intended to show a film on Dust Suppression in the South Wales Coal-mines. Unfortunately, owing to a breakdown, only a small portion of the film was shown.

Jan 1, 1947

Jan 1, 1903

By B. G. Fordyce, W. B. Parker

A description is given of the methods used in management planning, pit-equipment selection and maintenance operator training, and formal organization of mining personnel.

Jan 1, 1979

By P. T. Wedepohl

The youngest technical programme committee of The South African Institute of Mining and Metallurgy- that on Physical Metallurgy - held its second colloquium on 18th September, 1984. The topic of 'Corrosion of Piping and Tubing in the Mining Industry' was very appropriate since the date had been chosen to coincide with that of the Electra Mining Exhibition.

Jan 1, 1985

Jan 1, 1932

Jan 1, 1926