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April 28, 2015 C- 1992 - 080 /Carbon Junction Mine MLT <br />Inspection Topic Summary <br />NOTE: Y= Inspected N =Not Inspected R= Comments Noted V= Violation Issued NA Not Applicable <br />NA - Air Resource Protection <br />N - Availability of Records <br />R - Backfill & Grading <br />Y - Excess Spoil and Dev. Waste <br />NA - Explosives <br />N - Fish & Wildlife <br />R -Hydrologic Balance <br />NA - Gen. Compliance With Mine Plan <br />R -Other <br />NA - Processing Waste <br />R -Roads <br />R - Reclamation Success <br />R - Revegetation <br />NA - Subsidence <br />N - Slides and Other Damage <br />NA - Support Facilities On -site <br />N -Signs and Markers <br />NA - Support Facilities Not On -site <br />N - Special Categories Of Mining <br />Y - Topsoil <br />COMMENTS <br />An aerial inspection of the Carbon Junction Mine Was conducted by the Division on April 28, <br />2015. Photos were taken by Harry Ranney, and were later evaluated and annotated by Marcia <br />Talvitie, both of the Division. Skies were overcast. <br />The permit area is situated on a glacial outwash plain southeast of Durango. The area straddles <br />the Carbon Junction Canyon drainage, and REA Canyon parallels the permit area on the south. <br />ROADS Rule 4.03 <br />Construction 4.03.1(3)14.03.2(3); Drainage 4.03.1(4) 14.03.2(4); Surfacing and Maintenance <br />4.03.1(5) and (6) / 4.03.2(5) and (6); Reclamation 4.03.1(7) / 4.03.2(7): <br />• The main Haul Road and the North Pit Access Road appeared to be in good condition. <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 <br />Structures 4.05.7, 4.05.10; Diversions 4.05.4; Effluent Limits 4.05.2; Ground Water Monitoring <br />4.05.13; Surface Water Monitoring 4.05.13; Drainage Acid and Toxic Materials 4.05.8; <br />Impoundments 4.05.6, 4.05.9; Stream Buffer Zones 4.05.18: <br />• The area appeared to have received some recent precipitation. A few isolated puddles could <br />be seen on the surface of the ground. <br />• The Carbon Junction Permanent Diversion Channel appeared to be in good condition, <br />although a strict determination could not be made due to the scale of the photos. <br />BACK-FILL and GRADING Rule 4.14 <br />Contemporaneous Reclamation 4.14.1; Approximate Original Contour 4.14.2; Highwall <br />Elimination 4.14.1(2)0; Steep Slopes 4.14.2, 4.27; Handling of Acid and Toxic Materials <br />4.14.3; Stabilization of Rills and Gullies 4.14.6: <br />• All areas that have been backfilled and graded appeared to be stable, including the North Pit. <br />Number of Partial Inspection this Fiscal Year: 4 <br />Number of Complete Inspections this Fiscal Year: 3 Page 2 of 4 <br />