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2006 Edna Mine Vegetation Sampling Report <br />Table 4-1: Statistical Summary for Moffat Topsoiled BRU <br />The Pittsburg & Midway Coal Mining Co <br />Edna Mine- Bond Release Sampling Yr 2 of 2 <br />Statistical Summary <br />Parameter Statistic Moffat Topsoil <br /> <br /> n 30 <br /> Regulatory nmi, 15 <br />Herbaceous Vegetation Cover Mean % 39.7 <br /> Var 273.7 <br /> Std 16.5 <br /> nmin t-stat 29.9 <br /> Sample Adequacy Yes <br /> <br /> n 30 <br /> Regulatory nmin 15 <br />Total Ground Cover Mean % 84.2 <br /> Var 156.0 <br /> Std 12.5 <br /> nmin t-stat 3.8 <br /> Sample Adequacy Yes <br /> <br /> n 40 <br /> Regulatory nmin 15 <br />P <br />d <br />i Mean /m2? 185.2 <br />ro <br />uct <br />on <br />Herbaceous Mean Ibs/ac 1,652.5 <br /> Var 20,043.2 <br /> Std 141.6 <br /> nmin t-stat 99.3 <br /> Sam le Adequacy No <br />I Habitat Management. Inc:. 38 October 19, 2006