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• • <br />Table 4. Herbaceous Production: Keenesburg Mine 1985, 1986, and 1987 Reclamation Areas (2007) <br />Area Number <br />• <br />Area 4 Area 11 Area 12 <br />Lifeform 1 2 3 4 5 6 7 8 9 10 11 12 13 <br />Herbaceous Production 282.6 212.2 164.4 278.4 233.2 147.6 247.0 297.4 341.4 319.4 244.4 126.4 184.2 <br />Area <br />Area 13 Area 17 Area 20 22 <br />Lifeform 14 15 16 17 18 19 20 21 22 23 24 25 j mean <br />Herbaceous Production 239.4 230.8 273.4 266.4 191.8 251.8 236.2 179.6 252.8 184.8 353.8 247.2 239.46 <br />Std. Dev. = 57.21 <br />Nmin = 10 <br />note: all data presented in grams per square meter <br />Coors Energy Company Keenesburg Mine Page 22 <br />2007 Phase III Vegetation Study