2012-04-27_REVISION - C2009087

• Permit No: C2009087
• IBM Index Class Name: REVISION
• Doc Date: 4/27/2012
• Doc Name: Updates to the Vegetation Section
• From: Peabody Sage Creek Mining, LLC
• To: DRMS
• Type & Sequence: SL1
• Email Name: JDM
• Email Name: DIH
• Media Type: D
• Archive: No

NATIVE SHRUBS
Amelanchier alnifolia
P
P
P
Chrysothamnus nauseosus
1
P
Padus vwrginiana ssp. melanocarpa
P
P
Purshia tridentata
P
Quercus gambelii
P
Rosa woodsn
1
Seriphidium tridentatum
3
P
2
1
P
1
Symphoricarpos rotundifolius
1
P
2
TOTAL NATIVE SHRUBS
4
P
1
4
1
1
P
P
1
--
4
0
1
4
1
1
0
0
1
0
BRYOPHYTES
Moss
TOTAL BRYOPHYTES
--
--
--
--
--
--
--
- --
--
--
Standing dead
2
1
2
3
2
1
Litter
25
35
34
37
50
40
16
18
44
35
Bare soil
2
8
14
20
6
27
2
32
11
9
Rock
1
3
3
2
1
11
3
TOTALS
100
100
100
100
100
100
100
100
100
100
TOTAL VEGETATION COVER
71(7)
56(1)
49(2)
37
41
31
79(7)
38(1)
42
56
GROUND COVER (Litter +Rock +Veg +St.Dead)
98(7)
92(1)
86(2)
80
94
73
98(7)
68(1)
89
91
SPECIES DENSITY (# of species /100 sq.m.)
23
30
32
36
17
23
17
26
21
30
(AVERAGE= 24.8 Std.Dev.= 5.2)
First -Hit Cover per Transect
71
56
49
37
41
31
79
38
42
56
Total Deduction per Transect
2.14
2.14
2.14
2.14
2.14
2.14
2.14
2.14
2.14
2.14
Allowable First -Hit Cover per Transect
68.86
53.86
46.86
34.86
38.86
28.86
76.86
35.86
39.86
53.86
Mean Allowable First -Hit Cover 37.45
Standard Deviation of Mean Allowable Cover 14.23
Table lb. Allowable Cover Calculations - Phase II BRB PSCM -2,
Peabody Sage Creek Mining, LLC, Peabody Sage Creek Mine, Routt Co., CO - 2010
PLANT SPECIES
11
Percent Foliar Cover*
-- Sample Number-- -
12 13 14 15 16
17
18
19
20
9 of 13
*P= Present within lm. of either side of the cover transect, but not quantitatively encountered.
() =Data in parenthesis represent other hits that are used in conjunction with first hits for cover all statistics.