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July 25, 2016 C-1981-019/Colowyo Coal Mine ZTT <br /> Temporary spoil piles were inspected. Each pile has been constructed in lifts. In the pictures,there are no visible <br /> signs of instability or issues with each of the piles. <br /> South Taylor Pit. Temporary spoil piles. <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 /> Numerous ponds were inspected. Due to lack of visual references in the pictures, some of the ponds were not <br /> identifiable. <br /> The following ponds were inspected and were dry: Gossard Pond,Loop Pond, Stoker Pond and NTEP 1 Ponds. <br /> The following ponds were inspected and contained water: Streeter,EP1,EP2,PD1,PD2, Section 16,Washbay, <br /> Work Area,West Taylor and East Taylor Ponds. Due to the distance in the pictures,no determination of whether <br /> ponds were discharging could be determined. <br /> All ponds listed above were stable and no signs of issues were observed. <br /> The following ditches were inspected: Southwest Tributary to Streeter, Southeast Tributary to Streeter, Gulch A, <br /> Prospect, East Pit,Final East Pit,Taylor Tributary and East Taylor Ditches were inspected. Of the ditches <br /> inspected,no issues were observed. All ditches were armored with rip rap along necessary sections of the ditches. <br /> Cutting or erosion was not observed. <br /> Number of Partial Inspection this Fiscal Year: 2 <br /> Number of Complete Inspections this Fiscal Year: 0 <br /> Page 3 of 5 <br />