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March 30, 2015 C- 1996 - 083 /Bowie No. 2 Mine JDM <br />Inspection Topic Summary <br />NOTE: Y= Inspected N =Not Inspected R= Comments Noted V= Violation Issued NA =Not Applicable <br />N - Air Resource Protection <br />Y - Roads <br />N - Availability of Records <br />N - Reclamation Success <br />N - Backfill & Grading <br />N - Revegetation <br />N - Excess Spoil and Dev. Waste <br />N - Subsidence <br />N - Explosives <br />N - Slides and Other Damage <br />N - Fish & Wildlife <br />Y - Support Facilities On -site <br />R - Hydrologic Balance <br />N - Signs and Markers <br />Y - Gen. Compliance With Mine Plan <br />N - Support Facilities Not On -site <br />NA - Other <br />N - Special Categories Of Mining <br />R - Processing Waste <br />N - Topsoil <br />COMMENTS <br />This was an aerial inspection flown by Harry Ranney of the Colorado Division of Reclamation, Mining and Safety <br />(Division). Oblique aerial photographs were taken on March 30, 2015 and reviewed in the Denver office by Jason <br />Musick of the Division on April 2, 2015. The sky was clear and site conditions observed in the photographs were <br />dry at the time of the inspection. One coal train was in the process of loading at the time of the inspection. <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 />Ponds D, F, J, B, K, and C were observed in the photographs. Ponds J, B, D, C and F were holding water. No <br />run -off was observed in established ditches or from the refuse piles in the photographs. No problems were noted. <br />All established ditches observed in the photographs were stable with no evidence of instability or damage. <br />PROCESSING WASTE /COAL MINE WASTE PILES — Rule 4.10 and 4.11 <br />Drainage Control; Surface Stabilization; Placement: <br />Gob Pile #I <br />Gob Pile #1 is inactive with cover material placed. Technical Revision No. 97 is currently under review to <br />provide a variance from the requirement of Rule 4.10.4(4) for 0.2 acres of Gob Pile #1 where the slope was <br />identified as being greater than 2:1. No problems were noted based on the photographs of Gob Pile #1. <br />Gob Pile #2 <br />Dried refuse material was in the process of placement at the time of the inspection. Refuse was trucked from the <br />drying area at the east end of the pile and dumped on bench 4 of the pile. Four articulated dump trucks, a <br />bulldozer, two excavators and one compactor were active on the pile. Cover material is placed on out - slopes of <br />benches 1, 2, and 3. Based on the photographs, there were no signs of erosion or instability of the pile. <br />Number of Partial Inspection this Fiscal Year: 12 <br />Number of Complete Inspections this Fiscal Year: 3 <br />Page 2 of 7 <br />