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2007 Reclaimed Area <br />54.7 <br />13.3 <br />15 <br />11 <br />1.345 <br />36.8 <br />14.1 <br />15 <br />27 <br />1.345 <br />Aspen Ex. Ref.Area* <br />148.1 <br />20.5 <br />15 <br />4 <br />1.345 <br />91.3 <br />16.7 <br />15 <br />6 <br />1.345 <br />Mountain Brush Ext. Ref. Area* <br />120.2 <br />27.7 <br />18 <br />10 <br />1.333 <br />43.9 <br />15.0 <br />18 <br />21 <br />1.333 <br />Sagebrush Ext. Ref. Area* <br />73.9 <br />10.3 <br />21 <br />4 <br />1.325 <br />30.1 <br />10.0 <br />21 <br />20 <br />1.325 <br />Stp. Mtn. Brush Ext. Ref. Area* <br />42.6 <br />9.3 <br />19 <br />9 <br />1.328 <br />32.2 <br />10.5 <br />19 <br />19 <br />1.328 <br />2007 Reclaimed Area <br />107.7 <br />53.1 <br />15 <br />44 <br />1.345 <br />89.9 <br />53.1 <br />15 <br />63 <br />1.345 <br />94.2 <br />123.7 <br />15 <br />312 <br />1.345 <br />Aspen Ex. Ref.Area* <br />78.0 <br />32.2 <br />30 <br />30 <br />1.311 <br />78.0 <br />32.2 <br />30 <br />30 <br />1.311 <br />NC <br />NC <br />NC <br />NC <br />NC <br />Mountain Brush Ext. Ref. Area* <br />42.3 <br />29.9 <br />30 <br />86 <br />1.311 <br />42.3 <br />29.9 <br />30 <br />86 <br />1.311 <br />NC <br />NC <br />NC <br />NC <br />NC <br />Sagebrush Ext. Ref. Area* <br />54.0 <br />23.6 <br />30 <br />33 <br />1.311 <br />54.0 <br />23.6 <br />30 <br />33 <br />1.311 <br />NC <br />NC <br />NC <br />NC <br />NC <br />Stp. Mtn. Brush Ext. Ref. Area* <br />28.2 <br />26.9 <br />30 <br />164 <br />1.311 <br />27.6 <br />26.9 <br />30 <br />164 <br />1.311 <br />NC <br />NC <br />NC <br />NC <br />NC <br />Table B-4. Sample Adequacy - Yoast Mine, SCC, Routt Co., CO - 2011 Page 1 of 1 <br />AREA <br />AREA <br />TOTAL FOLIAR COVER <br />Foliar <br />Cover <br />( %) <br />Std. <br />Dev. <br />N -min <br />N' (n -1 ), 2 <br />- HERBACEOUS PRODUCTION- <br />gm /0.5 Std. <br />sq.m. Dev. <br />N -min <br />N (n -1), <br />All extended reference area data were collected at Seneca IIW mine <br />- ALLOWABLE ALL HIT -- <br />- HERBACEOUS COVER" - <br />Foliar <br />Cover <br />( %) <br />Std. <br />Dev. <br />-- -TOTAL ALLOWABLE HERBACEOUS <br />PRODUCTION <br />gm /0.5 Std. <br />sq.m. Dev. <br />N -min <br />NI (n 2 <br />N -min <br />N (n-1), <br />-WOODY PLANT DENSITY -- <br />#1100 Std. <br />sq.m. Dev. <br />N -min <br />N (n -1), <br />I N = Sample Size <br />2 N -min = Minimum sample size necessary to detect a 10% reduction in the mean (15% reduction for Woody Plant Density) with 90% confidence using n -1 degrees of freedom <br />3 First hit data <br />° Sample adequacy (N -min) calculated using individual samples and all -hit herbaceous cover corrected for "excess" annual cover and noxious weeds. <br />5 Sample adequacy (N -min) calculated using individual samples and herbaceous production corrected for "excess" annual production with no noxious weeds collected. <br />NC = Not Collected <br />