Monthly Archives: November 2011

Ruby Canyon Vice President speaks at first Indo-US Workshop on Coal Mine Methane in Delhi, India

Ruby Canyon Engineering Vice President and Professional Engineer Ronald Collings made two technical presentations at the First Indo-US Workshop on Coal Mine Methane in Dhanbad, India in October 2011. The Workshop was sponsored by Central Institute of Mining and Fuel Research and the US EPA. Mr. Collings’ presentations covered both ventilation air methane mitigation and… – Read more

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