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• • • <br />Table 4. Herbaceous Production: Keenesburg Mine 1985, 1986, and 1987 Reclamation Areas (2008) <br />Area Number <br />Lifeform <br />Herbaceous Production <br />Area 4 <br />1 2 3 <br />130.2 129.2 90.6 <br />Area Area <br />Area 11 Area 12 Area 13 Area 17 20 22 <br />4 5 6 7 8 9 10 11 12 13 14 15 I mean <br />179.2 120.4 229.6 157.8 147.4 167.4 162.6 137.4 132.4 128.2 123.8 134.0 144.68 <br />Std. Dev. = 32.08 <br />Nmin = 9 <br />note: all data presented in grams per square meter <br />Coors Energy Company Keenesburg Mine Page 22 <br />2008 Phase III Vegetation Study