2010-06-28_REVISION - C1981019 ‎(4)‎

• Permit No: C1981019
• IBM Index Class Name: REVISION
• Doc Date: 6/28/2010
• Doc Name: Exhibit 2 2008 Phase III Bond Release Evaluation -Year 1
• From: Colowyo Coal Company
• To: DRMS
• Type & Sequence: SL5
• Email Name: JRS
• Email Name: SB1
• Media Type: D
• Archive: No

Table 4 Colow o - Vegetation Cover - 2008
60 °/e
Chart 6
Perennial Forb Relative Cover - 2008
Diversity
50%
_ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _
(Number of Species with between 3 °/0 - 50% Relative Cover)
40 /
y
Reference Areas
s Perennial Forb
a`
C
a
L
Standard between 1%
Unit —>
20%
- - and 50%
10 °k
w
0%
--
6
f
Number of Perennial Grasses =
7
6
0
Relative Cover of All Perennial Forbs=
22.1 ° /°
Reference Areas
Chart 5
Number of Perennial Grass Species with between 3 0 /a
B
and 50% Relative Cover - 2008
o Perennial Grasses
7
6
Perennial Grass
0
5
Standard -2
u
S
4
0
z
3
2
_
_ _ _ _
_ _ _ _ _ _ _ _ _
1
0
Mountain Shrub Sagebrush
Phasel11 Area
Reference Areas
Cedar Creek Associates, Inc. Page 21 COIOWye Mine
Phase III Bond Release Evaluation
60 °/e
Chart 6
Perennial Forb Relative Cover - 2008
50%
_ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _
40 /
s Perennial Forb
-
300/6
Perennial Fort,
Standard between 1%
20%
- - and 50%
10 °k
0%
--
Mountain Shrub Sagebrush
Phase III Area
Reference Areas
Cedar Creek Associates, Inc. Page 21 COIOWye Mine
Phase III Bond Release Evaluation