Virginia Regulatory Town Hall
Department of Energy
Guidance Document Information
Title DM Chapter 14.3, Article 14, Section 45.1-161.221.D, Coursing of Air
Document ID DM-G-161.221
Summary Guidelines addressing ventilation changes and coursing of air in underground coal mines.
Effective Date 4/10/2000
pdf View document text     Posted On 11/25/2002                 Document on Town Hall

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