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Inspection Pictures <br />Picture #1: Example Methane Drainage Well (MDW) or Mine Ventilation Borehole (MVB) with associated portable pump. <br />The red cylinder is a water separator, and the gas-fired pump is located within the trailer. Mine gas is released from the <br />vertical pipe above the trailer. This MVB was located at a different Colorado facility, but is the same system configuration as <br />is used by MCC- West Elk Mine. <br />2015 Inspection �� <br />0510015-INSP-2015 Page 37 of 37 <br />