REP17628

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 10/28/2004
• Doc Name: 3rd Quarter 2004 Quarterly Observation Report & Refuse Pile
• From: Northwest Colorado Consultants Inc
• To: Twentymile Coal Company
• Permit Index Doc Type: Waste Pile/Fill Report
• Media Type: D
• Archive: No

,SOURCE DATA
DATE 3MW S 4MW N 5MW
092511998 -28 30
10/0111998 -28.30 -18.60
102911998 -2860 -18.55
t1rz4/1998 -2].02 -18.70
12P301i996 -2fi 60 -19.05
0128/1999 -2640
012911999 -19.55
02/11/1999 -26.60 -19.50
03/1]/1999 -20.50 -19.50
04/30/1999 -20.50 -20.10
052]/1999 -2160 -2560
06/3011999 -22.40 -24.60
0]/3011999 -22.50 -24.70
00/1011999 -22.80 -24.60
0911]/1999 23.20 -25.20
10/15(1999 -2350 -2540
1124/1999 -23.80 -24.]0
122&1999 -21.]0 -24.10 -28.67 -25.]5 -3].60
012]2000 -21.40 -24.00 -3000 -24ZO -3390
022b2000 -2L3i -2351 -2915 -2388 -3521
031312000 -2199 -2330 -28.80 -24.31 -30.38
042&2000 -21.87 -23.20 -28.58 -24.83 -33.22
05/312000 -21.50 -23.34 -28.32 -24]8 -35.11
06/302000 -21.40 -23.62 -28.81 -25 d7 -36.32
OP312000 -2123 -23.51 -29.05 -25.30 -3].04
08/312000 -2110 -2349 -29.24 -24.35 -3].15
09262000 -21.23 -23.93 -29.39 -26.80 -3].68
10/302000 -2128 -23.60 -29.26 -2425 -3].52
11/302000 -2161 -23.96 -30.09 -24.94 -31.89
122]2000 -21.84 -2452 -30.68 -2556 -38.1]
01292001 -22.10 -2426 -3042 -24.58 -3].80
022]2001 -2246 -24.]1 -3053 -25.34 -38.19
03!302001 -21]4 -24.12 -28.53 -23.58 -36.96
04242001 -21St -2463 -29.41 -23.63 -3699
05242005 -20.13 -23.11 -29.31 -23.98 -31.31
061132001 -20.]3 -2382 -29.22 -2693 -3841
07/03.2001 -20.]] -23.85 -2926 -2495 -38 d]
08/062001 -20.85 -23.95 -29.15 -25.00 -38.53
09i062D01 -20.31 -23.45 -28.]2 -24.55 -38.35
101042001 -19 65 -23.80 -26.90 -38 27 "' Wells TOC hei9M atljusted on some wells, well # N OesVOyetl Eunng reGamaUOn. Venfetl new TOC wtlh surveyors.
11/122001 -19.90 -23.88 -26.98 -24.16 -38.52
12H 12001 -20.19 -23 fi3 -26 ]] -24.16 -3320
01/082002 -20.8] -23]6 -26.98 -24.20 -38.]0
02H 22002 -21.24 -2526 -2809 -2461 -36.52
03H 82002 -2121 -2534 -2822 -26.54 -3863
041042002 -2L24 -2514 -2824 -24.54 -3869
05ro92002 -21.37 -25.68 -28.92 -2640 -39.01
08/102002 -20.6] -25.23 -29.02 -26.89 -39.05
09/022002 -20 fi5 -2529 -29.82 -2].04 -39.30
081012002 -2043 -2521 -29.46 -26.13 -39A5
09/102002 -20.2] -25.46 -28.]7 -26.52 -39.55
10/142002 -20.39 -25.18 -28.52 -26.]7 -39.68
111192002 -20.69 -25.9] -28.60 -27.1] -39.90
12ro42002 -20.]5 -25.83 -23aB -26.6] -39]6
01/102003 -20.]9 -258] -28.50 -2fi 62 -39.]8
02ID42003 -21.26 -25.86 -28.90 -26 ]8 -39.86
03N32003 -21.32 -2593 -2895 -26.92 -3968
Obro82003 -21.24 -25.]8 -28.85 -2].08 -39.15
05/0]2003 -19.81 -25.48 -2].93 -2].89 -39.36
06/182003 -19.05 -24.10 -2].22 -2]A -3878
07/1]2003 -19AT -2386 -2].06 -30.40 -3906
08/062003 -18.96 -23.65 -26.]9 -29.9] -38.95
091122003 -18.85 -23.]2 -26.9] -28.30 -38.81
10N]2003 -19.05 -23.81 -26.90 -2].58 -38.88
111112003 -21A5 -26.30 -29.46 -28.1] -0122
12N52003 -21 )4 -26.80 -29.88 -28.]2 -41.50
Otro82004 -21 ]9 -26.81 -29.91 -28.69 -41.51
02/162004 -21.61 -26.84 -29.90 -28.62 -01.45
031122006 -21.]3 -26]] -29.84 -28.55 -4738
041122004 -21.10 -2606 -2896 -2].13 -40.10
05/122004 -20.]2 -25.80 -2933 -26.06 -39.35
06(602004 -2083 -25.01 -28.4] -2].35 -40.30
W/t 92004 -20.)9 -2549 -28A3 -2].32 -00.28
08/132004 -20.56 -24.86 -2829 -27.16 1008
09/102004 -20.89 -25.16 -29.18 -26.85 <t 20
TOC REFUSE PILE
MONITORING WELL OATH