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March 2000

Volume 52 Issue 3

FEATURED ARTICLES

Donald E. Ranta: an interview with the 2000 SME president	Preview
Mine seismicity and the Comprehensive Nuclear-Test-Ban Treaty	Preview
Development and scale-up of large flotation cells Nathaniel Arbiter	Abstract
Josephine Roche: coal mining executive, labor advocate Tracy E. Houston	Preview

TECHNOLOGY NEWS

Conveyor skirt clamps help reduce maintenance	Preview
Underground warning system signals emergencies	Preview
Centrilift overhauls water system at Nevada copper mine	Preview
Pump testing seeks to improve wear life	Preview
Plant-design software aids oil-sands plant upgrade	Preview

TECHNICAL PAPERS

Update on face-ventilation research for improved longwall-dust control R.A. Jankowskit, J.F. Colinet	Abstract
Analytical method for predicting filling rates of mining pit lakes: example from the Getchell Mine, Nevada L. Shevenell	Abstract