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<br />Table 5. Comparison of Total Vegetation Cover and Total Herbaceous Production by Location and Year at the Keenesburg Mine <br />Total Veg. Cover <br />Location 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 <br />Predictive Equation Value 23.31 36.45 23.13 35.69 36.28 <br />Osgood Sand R.A. 25.00 51.40 43.20 42.80 45.00 50.20 35.80 48.80 22.60 55.80 34.93 60.40 <br />1985 Reclamation 21.00 47.60 31.20 24.20 40.20 <br />1986 Reclamation 24.00 47.80 37.47 25.20 44.20 63.20(l) <br />1987 Reclamation 24.00 46.00 37.73 26.80 43.80 - <br />1995 Reclamation 33.40 41.50 25.82 48.60 23.20 39.00 39.47 59.20(2) <br />1997 Reclamation 33.40 22.80 38.60 23.20 43.60 40.53 <br />1998 Reseed/Interseed 46.40 43.60 51.00 29.80 40.67 46.40 57.60 45.60 56.40 <br />1999 Reclamation 27.60 32.80 51.40 42.20 54.20 60.80(3) <br />2000 Reclamation 49.60 46.60 57.40 <br />2002 Reclamation 53.00 39.80 45.60 61.20 <br />2003 Reclamation 31.80 52.60 61.60 <br />2006 Reclamation 53.20 52.60 11 <br />Total Herb. Prod <br />Location 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 <br />Predictive Equation Value 40.11 165.33 39.66 135.07 156.78 <br />Osgood Sand R.A. 56.4 301.6 n/a 55.36 109.65 86.53 57.44 119.71 26.28 130.21 56.96 117,80 <br />1985 Reclamation 87.3 480.0 n/a 47.80 165.45 <br />1986 Reclamation 114.4 383.9 n/a 80.71 152.67 144.68(l) <br />1987 Reclamation 135.4 497.4 n/a 79.57 179.84 <br />1995 Reclamation 108.71 127,05 93.65 199.55 52.13 148.99 118.38 174.86(2) <br />1997 Reclamation 122.24 87.89 242.71 61.15 163.05 108.75 <br />1998 Reseed/Interseed 67.44 104.40 186.33 79,08 148.51 172.52 94.11 121.17 115.75 <br />1999 Reclamation 142.08 110.05 107.11 128.99 150.84 261.13(3) <br />2000 Reclamation 86.72 174.60 125.55 <br />2002 Reclamation 184.70 137.99 99.87 190.88 <br />2003 Reclamation 107.88 135.51 268,63 <br />2006 Reclamation 189.59 144.85 <br />Notes: Total vegetation cover in percent (%) <br />Total herbaceous production in grams per square meter <br />(1) represents the overall mean of the 1985,1986, and 1987 Reclamation Areas <br />(2) represents the overall mean of the 1995 and 1997 Reclamation Areas <br />(3) represents the overall mean of the 1998,1999, and 2000 Reclamation Areas <br />Coors Energy Company Keenesburg Mine Page 22 <br />2010 Revegetation Monitoring Report