2020-07-22_REVISION - C1981019

• Permit No: C1981019
• IBM Index Class Name: Revision
• Doc Date: 7/22/2020
• Doc Name: Application
• From: Colowyo Coal Company LP
• To: DRMS
• Type & Sequence: SL19
• Email Name: ZTT
• Email Name: JDM
• Media Type: D
• Archive: No

Table 4 Colow o-Vegetation Cover-2019
Mountain Shrub Reference Area
Percent Ground Cover Based on Point-Intercept Sampling
Tans ctAb.>I 1 2 1 3 1 4 5 6 1 7 1 8 1 9 110111 12 13 14 15 16 17 18 119 20 Average Relative
Grasses and Grass-likes Cover Cover
q'
N P Agropyron d,y,tachyum Thickspike Wheatgrass 7 0.35 0.60 5
N P Agropyron,mithu Western Whestgrass 1 5 2 1 2 0.55 0.94 25
N P Agropymnspf-tum Bluebunch Wheatgrsss 1 3 2 3 5 0.70 1.20 25
N P Agmpymn trachy`aulum Slender Wheatgrsss 3 0.15 0.26 5
I P Bromusinermis Smooth Brome 3 0.15 0.26 5
I A Brorn-japonicus Japanese Brome 6 14 1 9 12 16 1 3 1 22 4.25 7.28 50
N P Bromus marginatus Mountain Brome 3 2 2 1 1 0.45 0.77 25
X A Bromus tecforum Cheatgmss 20 4 1 5 3 2 1.75 3.00 30
N P Ca geyeri Geyer's Sedge 3 13 5 7 16 9 5 7 5 23 8 3 8 8 6.00 10.27 70
N P Ely-gl,- Blue Wildrye 8 2 0.50 0.86 10
N P Mdics bulbosa Oniongmss 1 1 0.10 0.17 10
N P Na,se/vi1,66,/ Green Needlegrass 8 2 1 9 3 10 1.65 283 30
I P Poa pratensis Kentucky Bluegrass 6 4 6 9 1.25 214 20
N P Sip,n�nii Nelson Needlegmss 3 16 2 3 6 1 7 1.90 3.25 35
Forts
N P Achill/nulosa, Western Yarrow 2 1 1 2 2 1 2 0.55 0.94 35
N P AIlium terli/e Wild Onion 1 1 1 1 1 0.25 0.43 25
N A Alyssum slysobs Pale Madwort 4 1 1 1 1 2 0.50 0.86 30
N P Arabi,g/bra Tower Rockcress 1 0.05 0.09 5
N P Artemisia ludovidana Praine Sagewort 1 1 0.10 0.17 10
N P Asterascendens Creeping Aster 3 4 4 1 0.60 1.03 20
N P C-um cantaura3e Fnnged Thistle 1 0.05 0.09 5
N A Collinso parvit/ora Blue-eyed Mary 1 0.05 0.09 5
N A Collomia Anearis Slenderlesf Collomia 1 1 1 1 1 0.25 0.43 25
N A EpiloiYum brachycarpum Tall Annual Willowherb 1 0.05 0.09 5
N A Glium aparine Stickywilly 4 2 1 1 0.40 0.68 20
N P Glium tnreale Northern Bedstraw 3 0.15 0.26 5
I B Lactuas serrro/a Pnckly Lettuce 1 0.05 0.09 5
N P Lathyrus/dviren, Aspen Pea 2 1 1 1 0.25 0.43 20
N P Linum kwisii Lewis Flax 1 0.05 0.09 5
N P Lupnus caudatus Tailcup Lupine 2 2 3 1 1 4 1 6 2 1 3 3 1.45 248 60
N A Mk-tr,gracili, Slender Phlox 1 1 1 0.15 0.26 15
N P Phlox lorrgitolia Longleaf Phlox 1 0.05 0.09 5
I A Podlla biloba Twolobed Speedwell 1 1 1 0.15 0.26 15
N A Polygonum dougani Douglas's Knotweed 1 1 1 0.15 0,26 15
N P P-cost.11-jameriana Tuber Starwort 3 5 2 2 3 2 t 1 1 1.15 1.97 45
N B Senedo integemmus Lambstongue Ragwort 10.05 0.09 5
I P Taraxacum off-L. Dandelion 3 1 1 0.25 0.43 15
I A Thla,pi arven,e Field Pennycress 3 2 0.25 0.43 10
I B Tragopogon dub- False Salsify 1 0.05 0.09 5
N P Vxia americans American Vetch 11 0.10 0.17 10
N P Vrola sp. Violet 1 0.05 0.09 5
Sub-Shrubs
None 0.00 0.00 0
Shrubs&Trees
N P Amelnchiera/nifolia Saskatoon Serviceberry 19 3 3 1 3 1.45 248 25
N P At-..tridentate Big Sagebrush 46 6 8 22 12 4 11 1 20 8 38 12 10 9.90 16.95 65
N P Chysothamnus vi,ddifkrus Low Rabbitbrush 6 4 8 0.90 1.54 15
N P Mahone repan, Creeping Barberry 20 1.00 1.71 5
N P Quercus gambellii Gambel Oak 7 16 29 7 17 26 13 8 3 4 41 8.55 14.64 55
N P Sympho-po,rotund"fo/ius Roundleaf Snowberry 6 6 17 19 10 19 9 5 12 6 9 1 25 39 7 3 9.65 16.52 80
Mean
Total Plant Coverl 53 173 180 145 151 154 154 168 132 151 17253 53 59 51 71 57 67 65 59 58.40
Rock 0 0 0 0 0 0 0 0 1 3 0 0 2 0 0 0 0 0 0 2 0,40
Litter 46 20 20 53 38 45 46 32 67 46 26 45 44 41 48 27 42 33 35 28 39.10
Bare ground 1 7 0 2 11 1 0 0 0 0 2 2 1 0 1 2 1 0 0 11 2.10
Total Perennial Cover 18 66 65 44 47 45 37 64 32 49 50 52 50 58 42 69 55 66 64 33 50.30
Total Annual/Biennial Cover 5 14 17 25 23 10 6 35 25 19 8 27 24 37 18 1 40 8 16 11 9 18.85
No.of Perennial Grasses(3%-50%Rel.Cover)=2
Diversity Farb Relative Cover=12.33
Sample Adequacy Calculations Plant Cover Mean=58.40 t=1.33 n=20
Variance= 126.46 =6.54
N=Native,I=Introduced,X-Noxious A=Annual,B=Biennial,P=Perennial