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Table 9 Snowcap - Vegetation Cover - 2008 <br />Roadside North Portal Facilities <br />Percent Ground Cover Based on Point-Intercept Sampling <br />Transect No. --> 1 2 3 4 5 6 7 8 9 10 Average Relative <br />-lik <br />d G Cover Cover <br />es <br />rass <br />Grasses an <br />Iw A Anisantha tectonrm Cheatgrass <br />N A 0#esion pusillum Little Barley <br />I _A Eremopyrum ftfteum Annual Wheatgrass <br />N Pw HilaWa amesii Galleta 36 <br />5 34 <br /> <br />5 <br />1 33 34 28 <br /> <br />4 18 <br /> <br />12 5 <br /> <br />25 18 <br /> <br />8 19 <br /> <br />6 33 <br /> <br />_ <br />9 25.80 <br />0.50 <br />6.00 <br />1.00 38.62 <br />0.75 <br />8.98 <br />1.50 <br />Forbs <br />I P Kochia ros"ta Fora a Kochia <br />Sub-shrubs <br />Kr-as enrnm owa anata ante at <br />Shrubs, Cacti & Trees <br />N P Atriplex canescens Four-wing Saltbush <br />N P Atriplex confer0olia Shadscale <br />N P qu thamnusnauseosus Rubber Rabbitbrush <br />N P Sarcobatus vermiculatus Greasewood 5 <br />7 <br />1 <br />1 <br /> <br />9 <br /> <br /> <br />2 <br />6 <br /> <br />3 <br /> <br /> <br />7 17 <br />9 <br /> <br />15 10 <br /> <br /> <br />6 <br />6 <br /> <br />20 <br />18 <br />15 <br /> <br />5 3.20 <br />6.10 <br />0.10 <br />9.80 4.79 <br />9.13 <br />0.15 <br />14.67 <br /> can <br />Total Plant Cover 55 69 74 65 68 75 59 62 66 75 66.80 <br />Rock <br />Litter <br />Bare ground 0 <br />13 <br />32 0 <br />10 <br />21 0 <br />18 <br />8 0 <br />23 <br />12 0 <br />29 <br />3 0 <br />11 <br />14 0 <br />35 <br />6 0 <br />20 <br />18 0 <br />33 <br />1 0 <br />25 <br />0 0.00 <br />21.70 <br />11.50 <br />Perennial Plant Cover= 34.50 (52% of Total Plant Cover) Sampling Adequacy Calculations <br />Annual & Biennial Plant Cover = 32.30 (48% of Total Plant Cover) <br />Noxious Weed Cover = 0.00 0% of Total Plant Cover Mean = 66.80 Variance = 46.62 <br />n = 10 t = 1.383 10/90 n„,i„ = 1.998 <br />Table 10 Snowcap - Vegetation Cover - 2008 <br />2 West Portal - East <br />Percent Ground Cover Based on Point-Intercept Sampling <br />TransectNo. --> 1 2 3 4 S T6 7 8 9 10 Average Relative <br />Grasses and Grass-likes Cover Cover <br /> <br />Iw A An&antha tectorum Cheatgrass 17 16 31 3 2 12 17 3 5 10 11.60 100.87 <br />N P Elymus lanceolatus var. I Thickspike Wheatgrass 2 0.20 1.74 <br />N Pw Hilaria " mes# Galleta 2 1 2 4 3 1 4 1 3 2.10 18.26 <br />N P Poa secunda Sandberg Bluegrass 2 0.20 1.74 <br />I P Psathyrostadhy junceus Russian Wildrye 2 2 3 2 0.90 7.83 <br />Forbs <br />w rum a[v anum i aree <br />Sub-shrubs <br />N P Gutierra'zia saroth2e Snakeweed 3 3 1 0.70 6.09 <br />N P Krascheninnikoida lanata Winterfat 1 0.10 0.87 <br />Shrubs, Cacti & Trees <br />N P Atriplexcanescens Four-wing Saltbush 3 1 2 2 0.80 6.96 <br />N P Atriplex confeWfolia Shadscale 3 8 2 2 9 3 7 3.40 29.57 <br />N P afywffiamnusnauseosus Rubber Rabbitbrush 6 4 3, 6 16 4 4 4.30 37.39 <br />N P Sarcobatus vermkvlatus Greasewwod 1 1 0.20 1.74 <br />N P Seriphidium tridentatum Big Sagebrush 4 2 2 2 1.00 8.70 <br /> Mean <br />Total Plant Cover 35 34 41 11 14 35 31 12 21 25 25.90 <br />Rock 26 19 29 64 44 29 23 40 38 30 34.20 <br />Litter 17 8 11 0 6 8 13 7 6 10 8.60 <br />Bare ground 22 39 19 25 36 28 33 41 35 35 31.30 <br />Perennial Plant Cover= 13.90 (54% of Total Plant Cover) Sampling Adequacy Calculations <br />Annual & Biennial Plant Cover = 12.00 (46% of Total Plant Cover) Mean = 25.90 Variance = 118.54 <br />Noxious Weed Cover = 0.00 0% of Total Plant Cover n = 10 t = 1.383 10/90 nmi„ = 33.802 <br />CEDAR CREEK ASSOCIATES, Inc. Page A - 11 Snowcap Coal Co. - 2008 <br />Revegetation Evaluation - Appendix A