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January 15, 2014 C- 1981 - 019 / Colowyo Coal Mine RDZ <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 />N - Availability of Records N - Reclamation Success <br />R - Backfill & Grading N - Revegetation <br />R - Excess Spoil and Dev. Waste NA - Subsidence <br />R - Explosives N - Slides and Other Damage <br />R - Fish & Wildlife N - Support Facilities On -site <br />R - Hydrologic Balance R -Signs and Markers <br />R - Gen. Compliance With Mine Plan NA - Support Facilities Not On -site <br />N - Other NA - Special Categories Of Mining <br />NA - Processing Waste N - Topsoil <br />COMMENTS <br />A partial inspection was conducted by Rob Zuber of DRMSonJanuary 15, 2014and January 16, 2014. The <br />Colowyo employees who participated in the field inspection were Kurtis Blunt and Steve Gilmer.The weatherwas <br />clear on both days.The ground wascovered with snow over much of the mine site, with some drifts of <br />approximately two to three feet.The temperatures were warm enough for minor snowmelt. <br />Little activity was seen in either the South Taylor Pit or the West Pit. These pits were inspected on Thursday, <br />which is typically a non - production day for maintenance. <br />BACKFILL and GRADING — Rule 4.14 <br />Contemporaneous Reclamation 4.14.1; Approximate Original Contour 4.14.2; Highwall Elimination 4.14.1(2)(f); <br />Steep Slopes 4.14.2, 4.27; Handling of Acid and Toxic Materials 4.143; Stabilization of Rills and Gullies 4.14.6: <br />In the West Pit, the 103 dragline was idle. <br />EXCESS SPOIL and DEVELOPMENT WASTE — Rule 4.09 <br />Placement; Drainage Control; Surface Stabilization: <br />The West Pit Fill was viewed from the pond below it, and no erosion or other problems were identified. <br />EXPLOSIVES — Rule 4.08 <br />Distance Prohibitions 4.08.4; Warnings 4.08.4; Control of Adverse Effects 4.08.4: <br />For two blasts in the West Pit (F overburden and then coal), an inspection site was selected that is a little <br />more than a half mile from the blasts. From this site (the R4 coal stockpile) the required communications were <br />heard, including radio announcements, blast signals, and the all -clear signal. <br />FISH and WILDLIFE — Rule 4.18: <br />Several ducks and a muskrat were seen in Streeter Pond. <br />Number of Partial Inspection this Fiscal Year: 7 <br />Number of Complete Inspections this Fiscal Year: 2 <br />Page 2 of 7 <br />