2008-03-13_REPORT - C1981019

• Permit No: C1981019
• IBM Index Class Name: REPORT
• Doc Date: 3/13/2008
• Doc Name: 2007 AHR & ARR Section 1 to 12
• From: Colowyo Coal Company
• To: DRMS
• Annual Report Year: 2007
• Permit Index Doc Type: Hydrology Report
• Email Name: SB1
• Media Type: D
• Archive: No

Colowyo Coal Company
20W Annual Reclama[ion and Hydrology Report
Eahibit 3-2 Colowvo Reclamation Table
Reclamation Period Status
Area Year Acreage Revegetated
Years Bond Release Reclaimed Topsoiled
Phase 1 Phase 2 Phase 3 Seeded Backfilled
& Graded Notes:
East Pit
EP001 1978 11.00 29 Se -87 Se -87 11.00 11.00
EP002 1979 7.50 28 Se -87 Se -87 7.50 7.50
EP003 1980 4.92 27 Se -87 Se -87 4.92 4.92
EP004 1982 19.75 25 Se -87 Se -87 19.75 19.75
EP005 1983 20.18 24 Se -87 Se -87 20.18 20.18
EP006 1984 21.63 23 Se -87 Se -87 21.63 21.63
EP007 1985 89.00 22 Se -87 Se -87 89.00 89.00
EP008 1986 50.00 21 Se -87 Au -O1 50.00 50.00
EP009 1987 50.00 20 A r-98 Au -O1 50.00 50.00
EPO10 1988 46.00 19 A r-98 Au -OS 46.00 46.00
EP011 1989 50.00 18 A r-98 Au -Ol 50.00 50.00
Sub Total 78-89 369.98 369.98 369.98 369.98
EP012 1990 8.20 17 A r-98 Au -O1 8.20 8.20
EP013
EP014
EPO15 1990
1991
1991 30.00
24.32
43.70 17
16
16 A r-98
A r-98
A r-98 Au -Ol
Au -Ol
Au -Ol 30.00
24.32
43.70 30.00
24.32
43.70
EP016
EP017
EP018 1991
1992
1992 58.40
26.50
20.00 16
15
15 A r-98
A r-98
A r-98 Au -O1
Au -O1
Au -O1 58.40
26.50
20.00 58.40
26.50
20.00
EP019
EP020
EP021 1992
1993
1993 5.80
27.00
27.00 15
14
14 A r-98
A r-98
A r-98 Au -OS
Au -O1
Au -Ol 5.80
27.00
27.00 5.80
27.00
27.00
EP022
EP023
EP024 1994
1994
1994 6.00
8.00
22.00 13
13
13 A r-98
A r-98
A r-98 Au -Ol
Au -Ol
Au -Ol 6.00
8.00
22.00 6.00
8.00
22.00
EP025 1994 54.00 13 A r-98 Aug-O1 54.00 54.00
EP026 1995 20.00 12 A r-98 Au -01 20.00 20.00
EP027 1995 13.00 12 A r-98 Au -01 13.00 13.00
Sub Total 90-94 393.92 393.92 393.92 393.92
EP028
EP029
EP030 1996
1996
1997 17.00
16.00
17.00 11
11
10 17.00
16.00
17.00 17.00
16.00
17.00
EP031 1997 48.00 10 48.00 48.00
EP032 1998 21.00 9 21.00 21.00 21.00
EP033 1998 12.00 9 12.00 12.00 12.00
EP034 1999 6.90 8 6.90 6.90 6.90 Isolated
EP035 1999 30.60
Sub Total 96-99 168.50
EP036 2000 68.30 8

7 30.60 30.60 30.60
168.50 168.50 168.50
68.30 68.30 68.30
EP037 2002 21.70 5 21.70 21.70 21.70 Au mented Seedin 2002
EP038 2001 4.08 6 4.08 4.08 4.08
EP039 2003 4.10 4 4.10 4.10 4.10
EP040 2003 10.30 4 10.30 10.30 10.30
EP041 2003 29.35 4 29.35 29.35 29.35
EP042 2002 21.03 5 21.03 21.03 21.03 Shrub & Mulch Area
EP043 2002 13.89 5 13.89 13.89 13.89
EP044 2003 24.64 4 24.64 24.64 24.64
EP045 2003 0.00 4 0 7.20 7.2 To soil Onl
EP046 2005 96.70 2 96.7 96.70 96.7
EP047 2005 0.00 2 0 1.90 1.9
EP048 2005 0.00 2 0 3.00 3
EP049 2005 0.00 2 0 4.00 4
EPO45 2006 7.20 1 7.2 0.00 0
EPO47 2006 1.90 1 1.9 0.00 0
EP048 2006 3.00 1 3 0.00 0
EP049 2006 4.00 1
0 4
85.6 0.00
85.60 0
85.6
Sub Total 00-07 395.79 395.79 395.79 395.79
Grand Totals 1328.19 1328.19 1328.19 1328.19

West Pit
WP001
WP002
WP003 1995
1995
1995 6.19
32.70
7.01 12
12
12 A r-98
A r-98 Au -O1
Au -01 6.19
32.70
7.01 6.19
32.70
7.01

Isolated
Sub Total 95 45.90 45.90 45.90 45.90
WP004 1996 8.90 11 8.90 8.90
WP005 1997 6.10 10 6.10 6.10
WP006 1998 2.03 9 2.03 2.03 2.03
WP007 1999 7.90 8 7.90 7.90 7.90
Sub Total 95-99 24.93 24.93 24.93 24.93
WP008 2000 10.10 7 10.10 10.10 10.10
WP009 2001 0.90 6 0.90 0.90 0.90 Isolated
WPO10 2001 5.70 6 5.70 5.70 5.70
WPOll 2001 1.70 6 1.70 1.70 1.70
WP012 2002 0.00 0 0 3.97 3.97 To soil Onl
Yage 3-3
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