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• • <br />Table 4. Herbaceous Production: Vegetation Monitoring at Keenesburg Mine Reclamation Areas (2009) <br />2002 Reclamation Areas (2009) <br />Area Number <br />Area 23 <br />Area 25 <br /> <br />Lifeform 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 mean <br />Herbaceous Production 1169.01-217.0 126.2 186.4 257.4 232.2 156.2 186.0 169.6 127.8 184.0 185.8 190.2 274.8 200.6 190.88 <br />Std. Dev. = 41.72 <br />Nmin = 15 <br />2006 Reclamation Areas (2009) <br />Area Number <br />Area 30 <br />Lifeform 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 mean <br />Herbaceous Production 176.8 108.6 281.8 221.4 192.0 224.2 258.6 233.4 144.2 217.6 143.4 185.0 199.2 73.0 184.6 189.59 <br />Std. Dev. = 55.31 <br />Nmin = 26 <br />note: all data presented in grams per square meter <br />/\MNV \'?/vW\M.`??iW V\/\NW\/.^.M/?/W VIM/?M\M. <br />Coors Energy Company Keenesburg Mine Page 23 <br />2009 Revegetation Monitoring Report