V. Face Ventilation

Schedule
Friday, June 11th
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1999
	A Proposed New Method to Determine the Effectiveness of In-Heading Methane Control F. J. van Zyl, CSIR Miningtek, South Africa Rolla, Missouri
12:00 AM	Comparison of Methane Concentrations at a Simulated Coal Mine Face During Bolting Charles D. Taylor, NIOSH, Pittsburgh, PA Edward D. Thimons, NIOSH, Pittsburgh, PA Jeanne A. Zimmer, NIOSH, Pittsburgh, PA Rolla, Missouri
12:00 AM	Methane Concentration at Heading Faces With Auxiliary Ventilation Shinji Tomita, Kyushu University, Japan Kenichi Uchino, Kyushu University, Japan Masahiro Inoue, Kyushu University, Japan Rolla, Missouri
12:00 AM	Methane Ignitions on Roof Bolters in Underground Coal Mines John E. Urosek, Mine Safety and Health Administration, Pittsburgh, PA William J. Francart, Mine Safety and Health Administration, Pittsburgh, PA Rolla, Missouri
12:00 AM	Ventilating the Box Cut of a Two-Pass 40-ft Extended Cut Edward D. Thimons, NIOSH, Pittsburgh, PA Charles D. Taylor, NIOSH, Pittsburgh, PA Jeanne A. Zimmer, NIOSH, Pittsburgh, PA Rolla, Missouri

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