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• Table 7. Comparison of Percent Relative Cover by Species <br />in the 2002 Reclamation Areas at the Keenesburg Mine <br />• <br />Sample Year <br />Plant Species 2006 2007 2009 <br />Graminoids <br />A o ron das stack um 0.61 <br />A o ron smithii, 9.42 0.39 <br />A o ron track caulum 1.52 <br />Andro o on halld 0.39 1.52 <br />Bouteloua acilis 0.45 , 0.91 <br />Bromus tectorum 0.45 24.12 21.95 <br />Calamovil a lon i olia 4.04 3.35 <br />Era ostis cilianensis 1.22 <br />O zo sis menoides 22.42 1.56 0.91 <br />Panicum vir atum 1.17 0.61 <br /> <br />Forbs <br />Amaranthus retro exus 7.39 <br />Ambrosia silostac a 10.31 0.39 8.23 <br />Ar emone of anthemos 0.90 <br />Ascle ias s p. 0.78 <br />Aster endleri 0.30 <br />Cheno odium album 1.79 1.56 <br />Cleome serrulata 0.78 <br />Co za canadensis 0.30 <br />Eri eron sped . osus 2.24 <br />Erio ovum annuum 0.45 0.61 <br />Helianthus annuus 14.80 35.02 14.33 <br />Kochia sco aria 28.70 5.84 30.18 <br />Lactuca serriola 0.45 0.39 0.30 <br />Medico o lu ulina 0.90 1.56 2.74 <br />Melilotus o icinalis 7.00 4.57 <br />Nuttallia nuda 1.35 3.35 <br />Si mbrium altisimum 0.90 11.67 2.13 <br />Tribulus terrestris 0.45 0.30 <br />Total number of species 17 16 21 <br />Total number of raminoids 5 5 9 <br />Total number of forbs 12 11 12 <br />Wet years in blue <br />Dry years in red <br />Average years in black <br />Wet, Dry, and Average years determined by % deviation from September-July <br />total precipitation mean <br />[ >110% of mean is wet, <90% of mean is dry, remaining years are average ] <br />• <br />Coors Energy Company Keenesburg Mine Page 26 <br />2009 Revegetation Monitoring Report