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Inspection Topic Summary <br /> NOTE: Y=Inspected N=Not Inspected R=Comments Noted <br /> V=Violation Issued NA=Not Applicable <br /> N - Air Resource Protection N -Roads <br /> N -Availability of Records R -Reclamation Success <br /> R -Backfill & Grading R -Revegetation <br /> NA -Excess Spoil and Dev. Waste NA - Subsidence <br /> N -Explosives NA - Slides and Other Damage <br /> N -Fish& Wildlife R - Support Facilities On-site <br /> R -Hydrologic Balance N - Signs and Markers <br /> R - Gen. Compliance With Mine Plan NA - Support Facilities Not On-site <br /> N - Other R - Special Categories Of Mining <br /> NA -Processing Waste R - Topsoil <br /> COMMENTS <br /> This was an Aerial Inspection of the New Horizon Mine conducted on October 28,2011. Photographs <br /> were reviewed by Marcia Talvitie of the DRMS Durango Field Office. Skies were clear. Division <br /> personnel had conducted a partial inspection of this mine, on the ground, on October 26 and 27, 2011. <br /> BACKFILL and GRADING—Rule 4.14 <br /> Contemporaneous Reclamation 4.14.1;Approximate Original Contour 4.14.2; Highwall Elimination <br /> 4.14.1(2)(f); Steep Slopes 4.14.2, 4.27;Handling of Acid and Toxic Materials 4.14.3; Stabilization of <br /> Rills and Gullies 4.14.6: <br /> • The lower portion of the pit backfill consists of"Bench 2"overburden and interburden,which is <br /> fragmented using explosives, and either pushed by bulldozer or hauled by truck and dumped behind <br /> the active pit. This material is typically gray in color, and is clearly visible in Photos 4, 5 and 8. <br /> • The upper level of the backfill is "Bench 1"overburden,which is usually free-dug by the shovel and <br /> loaded into trucks for transport to the back side of the pit. The material is dumped onto the graded <br /> top surface of the replaced Bench 2 overburden. <br /> • On the Morgan property,two stockpiles of free-dig material have been constructed. These piles are <br /> identified as "OB I", and are for the purpose of backfilling the upper level of the final cuts on this <br /> parcel. <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, <br /> 4.05.10; Diversions 4.05.4; Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13; Surface Water <br /> Monitoring 4.05.13; Drainage—Acid and Toxic Materials 4.05.8; Impoundments 4.05.6, 4.05.9; Stream <br /> Buffer Zones 4.05.18: <br /> • Pond 007 is bisected by 5th Road,which runs E-W. The two parts of the pond are connected by two <br /> culvert pipes,at differing elevations,which pass through the roadway embankment. The primary <br /> spillway, consisting of a vertical pipe, is located in the southwest corner of the pond. The pond <br /> discharges into Calamity Draw. These features are circled in yellow on Photo 1. Pond 007 is on a <br /> parcel owned by San Miguel Power Association, and has been approved as a permanent feature. The <br /> surface of the pond was speckled with numerous waterfowl. <br /> • Pond 008 is located on the Burbridge property, and has been approved for retention as a permanent <br /> structure. The pond appears in Photo 2, and was partially filled with water. <br /> • Pond 009 was dry, as shown in Photo 7. This pond is situated on the Benson-West parcel,and <br /> Number of Partial Inspection this Fiscal Year: 4 <br /> Number of Complete Inspections this Fiscal Year: 1 Page 2 of 15 <br />