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

Colowyo C-1981-019 Section 16 Pit Backfill Points and Elevations
Map Point Northing Easting Meas. Elev. Correction Adj Grade Map 19 Grade Diff (GPS-Map) Date Station

Misc Points
8 4456878.219 259263.873 7,970.7 56 8,026.7 8020 6.7 22-Jul-10
10 4456649.086 259099.114 7,963.3 56 8,019.3 8015 4.3 22-Jul-10
12 4456750.819 259137.597 7,985.7 56 8,041.7 8035 6.7 22-Jul-10
14 4457175.899 259404.952 7,960.4 56 8,016.4 8010 6.4 22-Jul-10
16 4457044.060 259318.064 7,983.7 56 8,039.7 8035 4.7 22-Jul-10
17 4457275.928 260044.362 7,753.3 56 7,809.3 7810 -0.7 22-Jul-10
19 4457228.910 260282.028 7,698.7 56 7,754.7 7750 4.7 22-Jul-10
20 4457242.911 260150.966 7,736.0 56 7,792.0 7785 7.0 22-Jul-10

Section 16 X-Section E
14 4457175.899 259404.952 7,960.4 56 8,016.4 8010 6.4 22-Jul-10 0
16 4457044.060 259318.064 7,983.7 56 8,039.7 8035 4.7 22-Jul-10 518
8 4456878.219 259263.873 7,970.7 56 8,026.7 8020 6.7 22-Jul-10 1089
12 4456750.819 259137.597 7,985.7 56 8,041.7 8035 6.7 22-Jul-10 1678
10 4456649.086 259099.114 7,963.3 56 8,019.3 8015 4.3 22-Jul-10 2034

Section 16 X-Section F
17 4457275.928 260044.362 7,753.3 56 7,809.3 7810 -0.7 22-Jul-10 0
20 4457242.911 260150.966 7,736.0 56 7,792.0 7785 7.0 22-Jul-10 366
19 4457228.910 260282.028 7,698.7 56 7,754.7 7750 4.7 22-Jul-10 798
jrs 1 of 1 15-09-10