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June 4, 2020 C-1981-019/Colowyo Coal Mine ZTT <br />South end of Collom Temporary Spoil Pile. <br />FISH and WILDLIFE — Rule 4.18: <br />Over 100 elk were observed in the East Pit reclamation and approximately 10 were observed in the undisturbed <br />areas of Collom. <br />Pronghorn were observed throughout the site. <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 />The Final East Pit, North Trib. and the Final East Pit Ditch were inspected. Both ditches were dry at the time of <br />the inspection and were stable. Stock tanks along the Final East Pit Ditch held water but no discharge was <br />Number of Partial Inspection this Fiscal Year: 10 <br />Number of Complete Inspections this Fiscal Year: 4 <br />Page 4 of 8 <br />