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Table 2 Colow o -Wood Plant Densi - 2007 <br />Summary of All Areas Sampled <br /> Woo dy Plants per Acre <br /> West <br /> East Pit <br /> Pit <br /> <br />0 <br />0 <br />0 <br />0 <br />0 <br />0 0 <br />° <br />Unit --> a <br /> W W W W W W 3 <br />Growin Seasons --> 7 4 4 4 4 2 7 <br />Artemisia cana Silver Sage 44.5 - - - <br />Artemisia hidentata vas. Mtn. Big Sagebrush 485.6 - - - 13.5 224.6 <br />Ampler canescens Four-wing Saltbush 78.9 - - - - S.a 2.4.7 <br />Chrysothamnus nauseosus Rubber Rabbitbrush 72.8 - - - - - 4.a <br />Purshia fidentata Antelope Bitterbrush 6.1 - - 2.7 - - <br />S horica s oreo hilus Mountain Snowber 6.1 - 8.1 24.3 16.3 <br /> <br />Total Wood Plants er Acre 694.0 0.0 8.1 2.7 0.0 43.2 520.0 <br /> <br />Chart 5 <br />Woody Plant Density by Species and Area - 2007 <br />1200 <br />Success Standard - 1000 Per acre <br />...... <br />............... <br />1000 .................................................. ....... ........ .. <br />^Artemisia cana <br />~ 800 ^Artemisla tndentata wyo. <br />u <br />< OAtriplex canescens <br />a ^Chrysothamnus nauseosus <br />~ 600 ^ Purshia tridentata <br />c <br />~ ^Symphoncarpos oreophilus <br /> <br />400 <br />0 <br />3 <br />zoo <br /> <br />0 <br />EP036 EP039 EP040 EP041 EP044 EP046 WP008 <br />7 Year 4 Year 2 Year 7 Year <br />East Pii West Pit <br />Rio Tinto Energy America/Colovuyo Mine Page 11 Revegetation Monitoring - 2007 <br />