2014-08-19_PERMIT FILE - C1980007 ‎(11)‎

• Permit No: C1980007
• IBM Index Class Name: Permit File
• Doc Date: 8/19/2014
• Doc Name: Wetland Delineation Report
• Section_Exhibit Name: Exhibit 82 Appendix I
• Media Type: D
• Archive: No

WETLAND DETERMINATION DATA FORM — Western Mountains, Valleys, and Coast Region
Project Site: MCC Refuse Pile Expansion, East City/County. Somerset/Gunnison Sampling Date: 10-8-2009
Applicant/Owner: Mountain Coal Company, LLC State CO Sampling Point: WC -WET
Investigator(s) Genesis Humphrey, Barr Engineering Company Section, Township, Range: S15, T13S, R90W
Landform (hdlslope, terrace, etc.) Hillslope Local relief (concave, convex, none): Concave Slope (%): 30-40
Subregion (LRR)- E- Rocky Mountain Forest & Rangeland Lat: 38.92331 Long: -107.43159 Datum: NAD 1983
Soil Map Unit Name: 13- Beenom-Absarokee Association, 20 to 60 percent slopes NWI classification- No Data Available
Are climatic / hydrologic conditions on the site typical for this time of year? Yes ® No ❑ (If no, explain in Remarks.)
Are Vegetation ❑, Soil ❑, Or Hydrology ❑, significantly disturbed? Are "Normal Circumstances" present? Yes ® No ❑
Are Vegetation ❑, Soil ❑, Or Hydrology ❑, naturally problematic? (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS — Attach site map showina samolina point locations. transects, important features, etc.
Hydrophytic Vegetation Present? Yes ® No ❑
Hydric Soil Present? Yes ® No ❑
Is the Sampling Area within a Wetland? Yes ® No ❑
Wetland Hydrology Present? Yes ® No ❑
Remarks.
VEGETATION — Use scientific names of plants
Tree Stratum (Plot Size- N/A - <6% cover)
Absolute
% Cover
Dominant
Species?
Indicator
Status
Dominance Test Worksheet:
1 •
Number of Dominant Species That Are
3 (A)
2
OBL, FACW, or FAC:
3•
Total Number of Dominant Species Across
3 (B)
4
All Strata:
= Total Cover
Percent of Dominant Species That Are
100 (A/B)
Sia lino/Shrub Stratum (Plot Size: 6' x 60')
OBL, FACW, or FAC:
5 Populus angustifolia (5% tree, 40% shrub)
45
Y
OBL
Prevalence Index worksheet:
6. Alnus incana
40
Y
FACW
Total % Cover of
Multiply by -
7 Salix exigua
20
N
OBL
OBL species
x1 =
8. Cornus sericea
5
N
FACW
FACW species
x2 =
9. Amelanchieralnifolia
5
N
FACU
FAC species
x3 =
115
= Total Cover
FACU species
x4 =
Herb Stratum (Plot Size: 6'x12')
UPL species
x5 =
10. Equisetum arvense
50
Y
FAC
Column Totals- (A)
(B)
11. Solidago canadensis
10
N
FACU
Prevalence Index = B/A =
12.
Hydrophytic Vegetation Indicators:
13.
X Dominance Test is >50%
14.
Prevalence Index is <3.0'
15.
Morphological Adaptations' (Provide
supporting data in
16.
Remarks or on a separate sheet)
17.
Wetland Non -Vascular Plants'
18.
Problematic Hydrophytic Vegetation' (Explain)
19.
20.
'Indicators of hydric soil and wetland hydrology must be present,
60
= Total Cover
unless disturbed or problematic.
Woody Vine Stratum (Plot Size* N/A — no vines)
1.
2.
= Total Cover
% Bare Ground in Herb Stratum 2-5 (drain channel)
Remarks- POAN from tree layer was <5% cover.
Hydrophytic Vegetation
Present? Yes ® No ❑
US Army Corps of Engineers Western Mountains, Valley, and Coast — Interim Version