2012-03-09_REPORT - C1981019 ‎(9)‎

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 3/9/2012
• Doc Name: 2011 Annual Hydrology & Reclamation Report ‎(4 of 4)‎
• From: Colowyo Coal Company
• To: DRMS
• Annual Report Year: 2011
• Permit Index Doc Type: Hydrology Report
• Email Name: RDZ
• Email Name: DIH
• Media Type: D
• Archive: No

Table B -3 Colow o - Vegetation Cover - 2011
CSU Shrub Plots - Average Cover Summary - 6 to 10
Percent Ground Cover Based on Point - Intercept Sampling
Inside
Fence
Outside Fence
rest Plot - ->
7
8
9
10
6
7
8
9
10
Topsoil - ->
k16
8"
6"
6"
0
0
Average
18
6
6"
0
0
Average
2
1 &2
3
1 &2
1
1 &2
1 &2
3
Seed mix ->
1
1 &2
Grasses and Grass -likes
I P Agropyron crlstatum Crested Wheatgrass
-
-
-
-
0.20
0.04
N P Agropyron dasystachyum Thickspike Wheatgrass
0.80
3.80
-
-
-
0,92
-
-
-
-
-
-
N P Agropyron n num StreambankWheat rass
-
-
0.80
0.16
N P Agropyronsmlttdl Western Wheatgrass
1.00
0.40
0.28
3.40
2.20
1.60
1.44
N P Agropyronspcatum Bluebunch Wheatgrass
0.40
12.60
12.80
5.16
0.40
0.40
0.16
N P Agropron soicatum inerme Beardless Bluebunch W.
1.40
-
4.20
1.12
10.00
0.40
2.80
12.80
11.20
7.44
N P Agropyron &achywulum Slender Wheatgrass
1.20
-
-
-
0.24
-
1.00
-
-
0.20
0.24
I P Bromus inermis Smooth Brome
-
9.60
13.40
0.20
4.64
5.20
6.40
6.80
1.40
0.20
4.00
1 A Bromus ' icus Ja nese Brom
-
-
0.40
-
-
0.20
0.12
N P Bromus marginatus Mountain Brome
0.60
-
-
-
-
0.12
-
0.40
-
-
-
0.08
I P Dactydrsglomerata Orchardgrass
-
-
-
0.60
0.40
0.20
N P Elymus cinereus Basin Wild a
2.40
0.48
I P E7ymusjunceus Russian Wildrye
-
-
0.20
0.04
N P Festuca ovirta/saximonbna Hard Fescue
7.60
0.20
4.60
3.40
2.20
3.60
8.00
2.60
7.40
10.60
7.60
7.24
I P Phleum pratense Timothy
-
-
-
-
-
0.60
0.12
I P Poa pratensis Kentucky Bluegrass
17.00
6.60
1.00
0.20
4.96
28.80
17.40
11.20
-
0.20
11.52
N P 59anion hystix Bottlebrush Squi;r1tail
-
-
-
-
-
-
-
0.40
0.20
-
0.12
N P Sri lettermanii Letterman Needl rds
-
-
-
-
-
-
-
1.20
-
-
0.24
Forbs
N P A chillea iantlil2sa Western Yarrow
-
0.40
0.40
-
-
0.16
3.20
3.00
1.20
0.20
0.20
1.56
N P A/iium textile Wild Onion
0.60
0.40
0.20
0.24
0.40
0.40
-
-
-
0.16
I P Als&agalus titer Gcer Milkvetch
2.20
0.80
1.60
0.92
4.00
1.80
2.20
2.80
2.16
N P Balsamorhiza sagittata Arrowleaf Balsamr
-
0.20
0.20
-
0.20
0.12
-
-
-
-
0.40
0.08
I N Cirsium arvense Canada Thistle
3.20
-
-
0.64
3.20
0.20
-
-
-
0.68
N A Collinsia paryfflona Blue-eyed ma
0.20
0.04
2.20
1.20
2.00
1.60
1.40
I B Daucus carota Queen Ann's Lace
-
0.20
-
-
-
0.04
-
-
-
-
-
-
N B Gnndel/a squarrosa Curlycup Gumweed
-
-
1.60
0.40
0.40
0.40
0.56
I B tactuca serriola Prickly Lettuce
0.20
0.04
0.60
0.12
N P L/num lewisii Lewis Flax
-
0.20
0.04
0.20
0.20
0.40
0.20
0.20
I P Medicago saliva Alfalfa
-
-
-
-
-
-
-
-
-
-
0.60
0.12
N P Penstemon sb7ictus Rocky Mtn. Penstemon
0.20
0.40
0.80
0.28
0.40
0.20
0.12
I A 51symblvin altissimum Tumble Mustard
0.40
-
-
-
0.08
-
-
-
N P SWlana jamesia Tuber Starwort
-
-
1.00
0.20
N P Stenotusarrnenololes Thrifty Goldenweed
-
-
-
I P Taiaxacum otTrcinale Dandelion
0.80
0.16
3.80
0.80
0.20
0.96
I A 7hlaspatvense Field Pennycre
-
-
-
-
-
-
0.20
-
-
-
-
0.04
I B Tfagopogon duhlus False Salsi
0.20
0.20
0.08
0.20
0.40
0.20
0.16
N P Vlcia amencana American Vetc . hl
0.20
0.04
Sub - shrubs
None -
Shrubs, Cacti & Trees
Ameac ieranif is Serviceberry
-
-
0.
-
0.04
-
20
0.04
N P Artemise Cana Silver Sage
15.40
20.00
5.00
0.80
0.20
8.28
9.60
14.40
1.60
3.80
3.20
6.52
N P Artemisia &idenlata wyD Wyo. Big Sagebrush
32.60
24.60
22.80
18.80
30.00 1
25.76
0.60
7.00
22.60
18.20
2.60
10.20
N P OVysotlramnusnauseosus RubberRabbitbrush
-
-
3.60
10.20
6.60
4.08
-
1.00
2.40
3.80
1.00
1.64
N P Purshia hidentata Antelope Bitterbrush
1.40
12.00
-
2.68
0.20
-
-
0.40
-
0.12
N P 5ymphoricarpos oreophilus Mountain Snowberry
-
-
0.20
-
-
0.04
-
0.40
0.20
-
-
0.12
Total Plant Coverl
82.00 1
68.00
1 59.40
1 59.60
1 55.60 1
1 64.92
1 81.80
1 66.40
1 66.00
1 58.40
1 30.80
1 60.68
Rock
U.
0.20
1.80
2.80
0.80
1.16
-
0.20
1.60
7.60
11.40
4.16
Litter
16.80
20.40
32.40
12.40
16.60
19.72
17.60
26.20
10.20
16.40
8.40
15.76
Bare ground
1.00
11.40
6.40
25.20
27.00
14.20
0.60
7.20
22.20
17.60
49.40
19.40
Total Perennial Coverl
78.00
1 67.40
1 59.40
1 59.60
1 55.60
1 64.00 1 73.40 1 64.20 1 63.40 1 56.20 1 30.80 1 57.60
Summary by Lifeform:
Perennial Grasses
28.60
21.60
23.20
16.40
16.20
21.20
55.40
32.20
31.80
27.40
20.00
33.36
Annual Grasses
-
-
-
-
-
-
0.40
-
-
0.20
-
0.12
Perennial Forbs
1.40
1.20
3.20
1.20
2.60
1.92
7.60
9.00
4.80
2.60
4.00
5.60
Annual & Biennial Forbs
0.80
0.60
-
-
-
0.28
4.80
2.00
2.60
2.00
-
2.28
Noxious / Aggressive Weeds
3.20
-
-
-
-
0.64
3.20
0.20
-
-
-
0.68
Sub - shrubs
-
-
-
-
-
-
-
-
-
-
-
-
Shrubsi
48.00
44.60
33.00 1
42.00
36.80
1 40.88
10.40
23.00
26.80
26.20
6.80
18.64
Sample Adequacy Calculations:
Mean =
82.00
68.00
59.40
59.60
55.60
81.80
66.40
66.00
58.40
30.80
Variance =
14.00
65.00
88.30
54.30
85.30
65.20
35.80
137.50
73.80
99.20
n-
5
5
5
5
5
5
5
5
5
5
nm;n =
0.49
3.30
5.88
3.59
6.49
2.29
1.91
7.42
5.09
24.58
Cedar Creek Associates, Inc. B - 13 Colowyo Mine
2011 Revegetation Monitoring Report