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ERO Resources <br />• <br />TABLE 9 <br />WESTERN FUELS -UTAH, INC. <br />DESERADO MINE <br />SUMMARY OF PRIMARY PRODUCTIVITY <br />DATA <br />Vegetation Type/ <br />Affected Area and <br />_ <br />Reference Area <br />Xg/m2 Xsmpl <br />s <br />n <br />n min <br />SAGEBRUSH-WHEATGRASS <br />Rail Loadout (Affected) <br />17.09 4.27 <br />6.20 <br />120 <br />566 <br />"D" Portal (Affected) <br />22.53 5.63 <br />5.16 <br />80 <br />225 <br />Haul Road (Affected) <br />19.20 4.80 <br />3.77 <br />40 <br />166 <br />Refuse Disposal (Affected) <br />22.72 5.68 <br />4.75 <br />120 <br />188 <br />"B" Portal (Affected) <br />21.51 5.38 <br />4.13 <br />40 <br />158 <br />REFERENCE <br />28.46 7.11 <br />4.73 <br />80 <br />118 <br />CHEATGRASS-ANNUAL FORB <br />Refuse Disposal (Affected) <br />3.89 0.97 <br />1.24 <br />20 <br />439 <br />WESTERN WHEATGRASS <br />Haul Road (Affected) <br />47.53 11.88 <br />5.60 <br />20 <br />59 <br />Refuse Disposal (Affected) <br />43.53 10.88 <br />4.11 <br />82 <br />38 <br />Rail Loadout (Affected) <br />66.86 16.72 <br />4.41 <br />40 <br />18 <br />REFERENCE <br />29.26 7.31 <br />3.90 <br />80 <br />76 <br />SAGEBRUSH-GREASEWOOD <br />"D" Portal (Affected) <br />39.19 9.80 <br />9.82 <br />40 <br />270 <br />• <br />Alluvial Well (Affected) <br />B1.90 20.46 <br />12.91 <br />40 <br />106 <br />REFERENCE <br />39.13 9.78 <br />5.04 <br />40 <br />71 <br />COLORADO WILDRYE <br />"D" Portal (Affected) <br />26.16 6.54 <br />5.68 <br />40 <br />203 <br />"B" Portal (Affected) <br />34.52 8.63 <br />9.44 <br />40 <br />321 <br />REFERENCE <br />32.10 8.02 <br />6.09 <br />40 <br />154 <br />JUNIPER -SAGEBRUSH <br />"D" Portal (Affected) <br />19.36 4.84 <br />5.21 <br />40 <br />311 <br />Haul Road (Affected) <br />32.07 8.02 <br />6.30 <br />20 <br />366 <br />Rail Loadout (Affected) <br />10.50 2.62 <br />5.33 <br />40 <br />1110 <br />"B" Portal (Affected) <br />22.98 5.75 <br />6.46 <br />40 <br />339 <br />REFERENCE (SAGEBRUSH- <br />28.46 7.11 <br />4.73 <br />80 <br />118 <br />WHEATGRASS) <br />JUNIPER WOODLAND <br />Haul Road (Affected) <br />8.66 2.17 <br />2.88 <br />20 <br />476 <br />REFERENCE (SAGEBRUSH- <br />28.46 7.11 <br />4.73 <br />80 <br />118 <br />WHEATGRASS) <br />• <br />$g/m2= Mean Grams Per Square Meter2 <br />Xsmpl= Sample Mean Based on 0.25m Quadrats <br />s = Sample Standard Deviation <br />n = Sample Size <br />nmin = Minimum sample size required for a 10% reduction in the mean <br />with 90% confidence <br />II.F-80 <br />