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May 18, 2020 C-1996-083/Bowie No. 2 Mine RDZ <br />Inspection Topic Summary <br />NOTE: Y=Inspected N=Not Inspected R=Comments Noted V=Violation Issued NA Not Applicable <br />Y - Air Resource Protection <br />N - Availability of Records <br />NA - Backfill & Grading <br />NA - Excess Spoil and Dev. Waste <br />NA - Explosives <br />N - Fish & Wildlife <br />R - Hydrologic Balance <br />R - Gen. Compliance With Mine Plan <br />N -Other <br />R - Processing Waste <br />R -Roads <br />R - Reclamation Success <br />Y - Revegetation <br />R - Subsidence <br />Y - Slides and Other Damage <br />R - Support Facilities On-site <br />N -Signs and Markers <br />NA - Support Facilities Not On-site <br />NA - Special Categories Of Mining <br />R -Topsoil <br />COMMENTS <br />Brock Bowles of DRMS took aerial photographs of the Bowie No. 2 Mine site on May 18, 2020. The weather was <br />clear. Rob Zuber of DRMS reviewed the photographs on May 20, 2020. <br />Coal production at the Bowie No. 2 Mine ceased in 2016. The mine is in "active" status because BRL continues to <br />perform work on the gob piles, except in the middle of the winter. Other activities on site are maintenance and <br />monitoring. <br />HYDROLOGIC BALANCE - Rule 4.05 <br />Drainage Control 4.05.1, 4.05.2, 4.05.3; Siltation Structures 4.05.5, 4.05.6; Discharge Structures 4.05.7, 4.05.10; <br />Diversions 4.05.4; Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13; Surface Water Monitoring 4.05.13; <br />Drainage — Acid and Toxic Materials 4.05.8; Impoundments 4.05.6, 4.05.9; Stream Buffer Zones 4.05.18: <br />The following ponds can be seen in the photographs: B, C, D, F, J, and K. Water levels in the ponds were as <br />follows: <br />• Ponds B, D, and K were dry or close to dry. <br />• Pond F contained water at the deep (eastern) end. <br />• Ponds C and J contained significant volumes of water. <br />No problems were identified with embankments or other features of the ponds. <br />No problems were detected with any of the surface water control ditches. <br />The Fire Mountain Canal (an irrigation ditch that runs through the Bowie #2 permit area but is owned by another <br />parry) appeared to be flowing full or nearly full. No significant water from seepage was observed in the <br />photographs, and the downhill bank (which acts like a levee protecting Gob Pile #3) appears stable at this time. <br />Number of Partial Inspection this Fiscal Year: 9 <br />Number of Complete Inspections this Fiscal Year: 3 <br />Page 2 of 7 <br />