2008-03-13_REPORT - C1981019 ‎(2)‎

• Permit No: C1981019
• IBM Index Class Name: REPORT
• Doc Date: 3/13/2008
• Doc Name: 2007 AHR 2007 Revegetation Monitoring Report
• From: Colowyo Coal Company
• To: DRMS
• Annual Report Year: 2007
• Permit Index Doc Type: Hydrology Report
• Email Name: SB1
• Media Type: D
• Archive: No

Table 9 Colow o - Ve etation Cover - 2007 ~ (Page 2 of 2)
Reference Areas- Relative Cover Summary Continued
Reference Area -> Mountain Sagebrush ~ Improved Target Target Sage
Shrub Pasture Grassland Grouse
Shrubs, Cadi & Trees
P Amea ieruta ensis to Service r 1.42 2.01 - - 0.33
N P Artemisia cana Silver Sag - - ~ - - 0.33
N P Ariemisia bidenbta vas Mtn. Bi Sagebrush 20.05 17.47 i - 0.12 6.63
N P Ceratoides/anala Winterfat - 0.35 - 0.35 -
N P QSrysnthamnus nauseosus Rubber Rabbitbrush 0.53 - - - -
N P !.n thamnus visddiAorus Low Rabbitbrush 0.53 0.70 i - 3.37 8.59
N P Guberrezia sarothrae Snakeweed - 1.83 - 16.72 21.28
N P Mahonia repens Creeping Barber 0.09 - - - 0.16
N P Pnrnus virginiana Chokeche - - - - 0.33
N P Quercusgambellii GambelOa 4.88 - - - -
N P Symphoricarpos oreophi/us Mountain Snowbe 7.81 3.84 ~ - - -
Summa b Lifeform:
Perennial Grasses 52.00 38.95 96.51 52.03 38.13
Annual Grasses 8.07 22.27 ~ 1.92 14.87 17.68
Perennial Forbs 3.82 8.12 j 1.48 2.90 2.05
Annual & Biennial Forbs 0.80 4.45 - 9.64 4.50
Noxious /Aggressive Weeds - - ~ 0.09 - -
Shrubs 35.31 26.20 ~ - 20.56 37.64
Diversi Number of S 'es with between 3°10 - 50°k Relative Cover
Number of Perennial Grasses = 6 5 ~ 0 2 3
Number of Perennial Forbs = 0 1 I 0 0 0
Rio Tinto Energy America/Coloveyo Mine
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Page 40 Revegetation Monitoring - 2007
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