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• <br />Table 14. Sample Adequacy - Seneca II Mine, SCC, Routt Co., CO - 2008 <br />-----COVER---- <br />Foliar <br />AREA Cover (%) Std. Dev. N* N-min** (n-1) t-value <br />Page 1 of 1 <br />----HERBACEOUS PRODUCTION---- ----WOODY PLANT DENSITY----- <br />gm/0.5 <br />so.m. Std. Dev. N* N-min** (n-1) t-value #/100 sa.m. Std. Dev. N* N-min** (n-1) t-value <br />2001 Reclamation Area 36.6 14.2 3 53.5 1.886 67.5 39.5 3 121.8 1.886 32.0 49.4 3 376.8 1.886 <br />2006 Reclamation Area 33.6 6.9 16 7.6 1.341 63.9 25.8 16 29.3 1.341 6.8 15.3 16 404.6 1.341 <br />Mountain Brush Reference 81.5 7.7 15 1.6 1.345 43.2 24.5 30 55.3 1.311 NC NC NC NC NC <br />Sagebrush Reference 67.1 6.1 15 1.5 1.345 53.9 28.4 30 47.7 1.311 NC NC NC NC NC <br />*N = Sample Size <br />** 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 />NC = Not Collected