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. 10-7-2009
Applicant/Owner: Mountain Coal Company, LLC State: CO Sampling Point WB-UPL
Investigator(s): Genesis Humphrey, Barr Engineering Company Section, Township, Range: S15, T13S, R90W
Landform (hillslope, terrace, etc.): Small Terrace and Hillslope Local relief (concave, convex, none): None Slope (%): 0 (terrace)-30(slope)
Subregion (LRR): E- Rocky Mountain Forest & Rangeland Lat: 38.92295 Long, -107.43219 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 man showing samolina point locations. transects. imaortant 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. 30' radius)
Absolute
Dominant
Indicator
Dominance Test Worksheet:
% Cover
Species?
Status
1. Quercus gambelii
20
Y
UPL
Number of Dominant Species That Are
2 (A)
2. Populus angustifolia
15
Y
FAC
OBL, FACW, or FAC
3•
Total Number of Dominant Species Across
5 (B)
4.
All Strata,
35
= Total Cover
Percent of Dominant Species That Are
0.4 (A/B)
Sapling/Shrub Stratum (Plot Size: 15' radius)
OBL, FACW, or FAC:
Prevalence Index worksheet:
5 Quercus gambelii 50 Y UPL
6. Amelanchler alnifolia
15
Y
FACU
Total % Cover of:
Multiply by:
7. Alnus incana
5
N
FACW
OBL species
x1 =
8. Populus angustifolia
5
N
FAC
FACW species
x2 =
9.
FAC species
x3 =
75
= Total Cover
FACU species
x4 =
Herb Stratum (Plot Size: 5' radius)
UPL species
x5 =
10. Juncus arcticus
50
Y
FACW
Column Totals: (A)
(B)
11.
Prevalence Index = B/A =
Hydrophytic Vegetation Indicators:
12.
13.
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,
50
= Total Cover
unless disturbed or problematic.
Woody Vine Stratum (Plot Size: N/A — no vines)
1.
2.
= Total Cover
Hydrophytic Vegetation
% Bare Ground in Herb Stratum 5 (wildlife path)
Present? Yes
❑ No
Remarks: Center of upland veg plots located on flat terrace; plots
extended upslope/downslope,
slopes ranging from 10-30%
US Army Corps of Engineers Western Mountains, Valley, and Coast — Interim Vernon