2011-03-28_REPORT - C1981041

• Permit No: C1981041
• IBM Index Class Name: REPORT
• Doc Date: 3/28/2011
• Doc Name: 2010 ARR Revised Pages for Revegation Evaluation 2010 Report
• From: J.E. Stover & Associates, Inc
• To: DRMS
• Permit Index Doc Type: Annual Reclamation Report
• Email Name: MPB
• Email Name: SB1
• Media Type: D
• Archive: No

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Table 1 Snowcap - 2010
Proposed Revegetation Success Criteria Comparison
Plant Cover Diversity Diversity Production Woody Plant
(% average cover) (% Relative Cover) (Number of Species Present) (pounds per acre) Density

Perennial Ufeforms
Total Perennial
Total Perennial
Total Perennial Number of

Species with
Perennial
Perennial
Perennial

All Herbaceous

(9D% of Ref. Cool-Sesson Warm-Season Forbs 8:
270% Rel. Cool-Season Warm-Season Forbs A
(90% of Ref. Area Live Stems Per Ave

Area Value) Grasses Grasses Subshrubs
Cover Grasses Grasses Subshrubs
Value) Standard
Standard Standard Standard Standard Standard Standard
Area Acres Standard
GREASEWOOD REFERENCE AREA COMPARISON UNITS
Success Criteria 214.6% 20.5% 20.5% 20.5% 0 >2 >2 >2 >477.2Its 2_800
Cameo Borrow Area No.1 2.65 25.4 Pass 1.4 Pass 0.7 Pass 3.7 Pass 0 Pass 2 Pass 1 2 Pass 528.0 Pass 2,707 Pass
Cameo Borrow Area No. 2 2.64 33.9 Pass 1.3 Pass 0.0 9.3 Pass 0 Pass 4 Pass 0 3 Pass 414.0 2,145 Pass
Cameo Topsoil Piles 2.32 22.3 Pass 0.0 0.0 0.0 0 Pass 0 0 0 482.8 Pass 2,372 Pass
North Decline 17.58 16.4 Pass 0.0 0.2 0.0 0 Pass 2 Pass. 1 1 559.8 Pass 1,153 Pass
North Decine Mine 0.54 36.7 Pass 33.6 Pass 0.8 Pass 10.4 Pass 0 Pass 6 Pass 1 4 Pass 632.0 Pass 820 Pass
Dewatering System
Roadside N. Portal Mine 17.25 26.8 Pass 0.2 1.0 Pass 7.2 Pass 0 Pass 2 Pass 2 Pass 2 Pass 669.3 Pass 3,921 Pass
Facilities
All Areas Combined 42.98 22.8 Pass 0.7 Pass 0.5 Pass 3.8 Pass 0 Pass 30 Pass 2 Pass 4 Pass 589.6 Pass 2,483 Pass
(Acreage-Weighted)
SHADSCALE REFERENCE AREA COMPARISON UNITS
Success Criteria 26.4% >o.5% >o.5% 20.5% 0 >2 >2 _>2 >5S8.S lbs 2_800
2 West Portal Area - East 0.11 13.5 Pass 14.9 Pass 11.4 Pass 8.4 Pass 0 Pass 4 Pass 2 Pass 4 Pass 136.9 4,018 Pass
2 West Portal Area - West 0.29 25.7 Pass 56.1 Pass 8.2 Pass 1.5 Pass 0 Pass 5 Pass 1 7 Pass 572.6 Pass 1,707 Pass
Cameo RDA No.1 26.86 21.0 Pass 15.3 Pass 14.9 Pass 4.4 Pass 0 Pass 9 Pass 2 Pass 3 Pass 779.6 Pass 1,708 Pass
Cameo RDA No.2 27.70 25.0 Pass 2.0 Pass 0.0 11.5 Pass 0 Pass 5 Pass 0 4 Pass 399.9 2,409 LPass
Roadside N. Portal Mine
Fac. 6.89 19.8 Pass 0.9 Pass 0.0 25.6 Pass 0 Pass 4 Pass 1 5 Pass 580.4 Pass 2,809 Pass
Roadside Refuse Borrow 4.53 12.8 Pass 2.2 Pass 1.1 Pass 16.1 Pass 0 Pass 3 Pass 1 6 Pass 262.5 761
Roadside Refuse Disposal 7.56 28.4 Pass 0.0 0.0 58.0 Pass 0 Pass 4 Pass 1 2 Pass 706.8 Pass 1,331 Pass
Roadside South Portal
Upper Diversion Ditch 1.08 8.2 Pass 1.0 Pass 0.3 19.0 Pass 0 Pass 2 Pass 1 4 Pass 520.7 453
South Fan - East 1.22 19.9 Pass 7.7 Pass 3.5 Pass 3.7 Pass 0 Pass 6 Pass 2 Pass 4 Pass 206.8 267
South Fan -West 0.34 28.8 Pass 28.6 Pass 7.1 Pass 11.1 Pass 0 Pass 5 Pass 1 5 Pass 233.7 1,871 Pass
Substabon 8 0.27 30.4 Pass 22.6 Pass 3.6 Pass 30.9 Pass 0 Pass 9 Pass 2 Pass 3 Pass 259.3 1,059 Pass
All Areas Combined
(Acreage-Weighted) 76.85 22.5 Pass 6.8 Pass 5.4 Pass 15.1 Pass 0 Pass 13 Pass 2 Pass 13 Pass 568.6 Pass 1,928 Pass