2010-09-17_INSPECTION - C1981019

• Permit No: C1981019
• IBM Index Class Name: INSPECTION
• Doc Date: 9/17/2010
• Doc Name: Inspection Report
• From: DRMS
• To: Colowyo Coal Company L.P.
• Inspection Date: 8/24/2010
• Email Name: JRS
• Email Name: SB1
• Email Name: DTM
• Media Type: D
• Archive: No

August 24, 2010 C-1981-019/Colowyo Coal Mine JR ?O7?
replacement there is a certain amount of compaction that takes place and a small amount of soil loss due to wind
and water erosion is expected. The following chart shows the topsoil replacement depths for each of the test holes.
Location Depth (in) Northing Easting Date Sampled

EP-TS-01 16 4458030.6 261581.9 15-Jun-10
EP-TS-02 16.5 4458199.1 261660.4 15-Jun-10
EP-TS-03 12 4458418.8 261739.1 15-Jun-10
EP-TS-04 19 4458531.8 261610.9 15-Jun-10-
EP-TS-05 19 4458254.8 261337.3 15-Jun-10
EP-TS-06 17 4458214.2 261067.7 19-Jul-10
EP-TS-07 19 4458128.3 261787.7 19-Jul-10
EP-TS-08 17 4458443.8 261680.8 19-Jul-10
EP-TS-09 16 4458676.1 261764.5 19-Jul-10
EP-TS-10 19 4458715.7 261571.0 19-Jul-10
EP-TS-11 19 4458775.3 260951.2 19-Jul-10
EP-TS-12 17 4458929.4 261281.4 19-Jul-10
EP-TS-13 17.5 4459100.0 261090.4 19-Jul-10
EP-TS-14 17 4459263.9 260895.8 19-Jul-10
EP-TS-15 18 4458869.5 260742.8 19-Jul-10
EP-TS-16 19 4458665.1 260534.9 19-Jul-10
EP-TS-17 18 4458406.6 260660.0 19-Jul-10
Average 17.4

Location Depth (in) Northing Easting Date Sampled

WP-TS-01 17 4460625.4 260253.7 19-Jul-10
WP-TS-03 18 4460809.9 259885.5 19-Jul-10
WP-TS-04 16 4460942.0 259865.6 19-Jul-10
WP-TS-05 14 4460981.2 259789.1 19-Jul-10
WP-TS-06 26 4460882.4 259667.5 19-Jul-10
WP-TS-07 17.5 4460926.1 259626.3 19-Jul-10
WP-TS-08 18 4460820.5 259471.9 19-Jul-10
WP-TS-09 12 4460887.7 259411.6 19-Jul-10
WP-TS-10 17 4460744.4 259368.8 19-Jul-10
WP-TS-11 18 4460662.6 259378.4 19-Jul-10
WP-TS-12 14 4460671.8 259238.7 19-Jul-10
WP-TS-13 15 4460556.4 259188.9 19-Jul-10
Average 16.9

Number of Partial Inspection this Fiscal Year: 3
Number of Complete Inspections this Fiscal Year: 0
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