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1999
Friday, June 11th

An Investigation of Longwall Gob Gas Behavior and Control Methods

Steven J. Schatzel, NIOSH, Pittsburg, PA
William P. Diamond, NIOSH, Pittsburg, PA
Fred Garcia, NIOSH, Pittsburg, PA
John C. LaScola, NIOSH, Pittsburg, PA
Frank E. McCall, NIOSH, Pittsburg, PA
Paul W. Jeran, NIOSH, Pittsburg, PA
Thomas P. Mucho, Cyprus Emerald Resources Corporation, Waynesburg, PA

Rolla, MO

Characteristics of Airborne Dust in the Return Airways of the Mechanized Longwall Face

Tevfik Güyagüler, Middle East Technical University, Turkey
Sinan Keskin, Middle East Technical University, Turkey

Rolla, MO

Gas Emission Control on Longwall Panels at the Vorkuta Coal Mines

V. N. Bobrovnikov, Coal Research Institute, Pechorniiproject, Russia
O. I. Kazanin, St. Petersburg State Mining Institute (Technical University), Russia
A. P. Veselov, Coal Mining Stock Company, Vorkutaugol, Russia

Rolla, MO

Mining Safety of Longwall Top-coal Caving in China

Jian Wu, China University of Mining and Technology, China
Yueping Qin, China University of Mining and Technology, China
Minghua Zhai, Zhangji Coal Mine, Xuzhou Mining Bureau, China

Rolla, MO

Water Injection in Longwall Top-coal Caving Face in China

Zhang Yong, China University of Mining and Technology, China
Fu Gui, China University of Mining and Technology, China

Rolla, MO