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 A -6 Colo
o -
Vegetation Production - 2008
*OTAL
Sample
Perennial
Perennial
Sub- Annual
Annual
Noxious
No.
Grasses
Forbs
shrubs Grasses
Forbs
Weeds
z
g /0.5m
Ibs / ac
1
12.2
1.4
0.3
1.2
15.1
269.4
2
34.7
4.9
0.4
40.0
713.7
3
37.9
2.1
2.3
0.2
42.5
758.3
4
28.1
4.3
0.4
32.8
585.3
5
22.3
11.1
33.4
596.0
6
24.5
6.9
31.4
560.3
7
24.2
24.2
431.8
8
36.4
0.7
37.1
662.0
9
18.1
0.7
0.5
19.3
344.4
10
25.4
25.4
453.2
11
25.2
3.1
28.3
505.0
12
8.7
3.5
12.2
217.7
13
20.2
17.0
37.2
663.8
14
27.4
5.1
32.5
579.9
15
29.3
5.5
34.8
621.0
16
23.3
8.5
31.8
567.4
17
20.8
1.7
0.3
22.8
406.8
18
42.4
8.0
0.6
51.0
910.0
19
26.1
2.4
0.1
28.5
508.5
20
37.2
1.9
0.6
0.4
39.7
708.4
21
30.0
1.6
30.0
535.3
22
24.3
3.1
27.4
488.9
23
28.7
0.8
0.4
29.9
533.5
24
22.9
3.1
1.6
0.2
27.8
496.0
25
25.2
0.7
0.9
0.6
27.4
488. 9
26
36.8
1.2
0.4
38.4
685. 2
27
38.1
1.9
0.6
40.6
724.4
28
52.8
2.1
4.2
0.3
59.4
1,059.9
29
37.0
3.7
4.9
45.6
813.7
30
29.0
2.7
2.2
0.3
34.2
610.2
Average Averagel
28.3 1
3.6
0.0 0.6
0.2
0.1 1
32.7
583.3
Sampling Adequacy
t = 1.311
var. =
97.316
n= 30
Mean = 32.69
nmin = 15.662
A7