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2006 Edna Mine Vegetation Sampling Report <br />Table 2-3: Statistical Summary for Oak Mountain Shrub Reference Area <br />The Pittsburg & Midway Coal Mining Co <br />Edna Mine - Bond Release Sampling Yr 2 of 2 <br />Statistical Summary <br />Parameter Statistic Oak mountain Shrub Reference Area <br />n 20 <br />Regulatory nrnin 15 <br />Herbaceous Vegetation Cover Mean % 24.2 <br />Var 65.3 <br />Std 8.1 <br />nmin t-stat } 8 <br />Sample Adequacy Yes <br />< <br /> n 20 <br /> <br />Total Ground Cover Regulatory nmin <br />Mean r5 <br />76.3 <br /> Var 188.1 <br /> Std 13.7 <br /> <br />5.7 <br />nmin t-stat <br />Sam le Adec Aac :: ,r '' - Yes <br /> <br /> 20 <br /> 15 <br />-- . - I` ,i /m2) 64.8 <br />. <br />Herbaceous Productif M 'Ibslac 578.0 <br /> -i r 104.1 <br /> 10.2 <br /> -min t-scat 4.4 <br />o"-am le Adequacy Yes <br /> <br />Habitat Management, Inc. 6 October 19, 2006