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October 22, 2019 C-1981-022/Elk Creek Mine LDS <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 N -Roads <br /> R - Availability of Records N -Reclamation Success <br /> N - Backfill& Grading N -Revegetation <br /> R - Excess Spoil and Dev. Waste N - Subsidence <br /> N -Explosives N - Slides and Other Damage <br /> N -Fish& Wildlife N - Support Facilities On-site <br /> R - Hydrologic Balance N - Signs and Markers <br /> N - Gen. Compliance With Mine Plan N - Support Facilities Not On-site <br /> N - Other N - Special Categories Of Mining <br /> N -Processing Waste N -Topsoil <br /> COMMENTS <br /> This was a complete inspection by Leigh Simmons of the Division of Reclamation,Mining and Safety(Division). <br /> Doug Smith of Oxbow Mining accompanied the inspection. The weather was clear and dry. <br /> The status of the Elk Creek Mine is"active"however no coal is being mined and the only activity since the last <br /> inspection was site maintenance. <br /> AVAILABILITY OF RECORDS—Rule 5.02.4(1): <br /> Records were available in the office. Detailed comments are made at the end of this report. <br /> EXCESS SPOIL and DEVELOPMENT WASTE—Rule 4.09 <br /> Placement; Drainage Control; Surface Stabilization: <br /> The West and II West Valley Fills were inspected and appeared to be stable. The recently reclaimed <br /> surfaces showed relatively good vegetative cover in general, although supplemental seeding is advised in some <br /> small areas. There were some signs of minor surface erosion,however no repairs or additional control devices <br /> were warranted at the time of the inspection. <br /> Thistles had been recently sprayed. The herbicide appeared to have been effective. <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 /> Maintenance had been carried out on the lower section of the temporary ditch on the west side of the Elk <br /> Creek channel(T1). The ditch on the east side (T2)needed to be cleaned out to ensure that it meets design <br /> specifications, at the time of the inspection the freeboard appeared to be no more than 6 inches in several spots. <br /> High Country Equipment of Hotchkiss, CO had been contracted to make repairs to the inlet of the middle <br /> section of the Elk Creek culvert. Water in the stream channel had cut around the base of the culvert and <br /> Number of Partial Inspection this Fiscal Year: 2 <br /> Number of Complete Inspections this Fiscal Year: 2 <br /> Page 2 of 10 <br />