2022-05-24_REVISION - C1981038

• Permit No: C1981038
• IBM Index Class Name: Revision
• Doc Date: 5/24/2022
• Doc Name: Technical Review
• From: JE Stover & Associates, Inc
• To: DRMS
• Type & Sequence: SL8
• Permit Index Doc Type: Vegetation
• Email Name: RDZ
• Email Name: MAC
• Media Type: D
• Archive: No

Table 10 Bowie #1 Mine - Vegetation Production - 2021
West Mine
Raw Data Oven Dry Weight(grams per 1/2 square meter)
Sample Perennial Perennial Sub- Annual/ Noxious Weeds TOTAL
No. Grasses Forbs shrubs Biennial Grass Other g/0.5m2 Ibs / ac
Forbs
1 2.0 15.3 0.1 17.4 310.0
2 4.1 11.4 15.5 276.1
3 0.9 32.7 33.6 598.6
4 0.8 34.0 34.8 619.9
5 53.2 53.2 947.7
6 27.1 27.1 482.8
7 0.7 16.8 0.2 0.4 18.1 322.4
8 3.0 38.5 0.2 41.7 742.8
9 0.5 34.1 0.1 34.7 618.1
10 1.1 32.4 33.5 596.8
11 22.1 0.7 22.8 406.2
12 10.4 53.8 64.2 1,143.7
13 3.1 21.4 24.5 436.4
14 10.5 10.5 187.0
15 33.1 33.1 589.E
16 0.4 26.7 27.1 482.8
17 17.2 4.3 3.0 24.5 436.4
18 1.8 32.3 0.4 0.2 34.7 618.1
19 1.2 32.6 2.1 35.9 639.5
20 4.1 17.2 3.2 3.1 27.6 491.7
21 2.3 30.5 32.8 584.3
22 15.8 15.8 281.5
23 16.1 16.1 286.8
24 0.5 50.2 0.1 50.8 905.0
25 5.8 20.6 4.7 31.1 554.0
26 12.9 9.0 21.9 390.1
27 2.1 22.5 3.2 1.9 29.7 529.1
28 6.1 15.1 21.2 377.7
29 5.6 21.1 0.2 26.9 479.2
30 3.1 39.5 2.7 0.2 45.5 810.5
31 3.6 15.4 5.8 24.8 441.8
32 4.2 24.9 29.1 518.4
33 1.2 22.5 0.2 23.9 425.8
34 3.0 3.1 0.2 0.2 6.5 115.8
35 5.3 18.0 5.3 0.3 28.9 514.8
36 0.9 15.3 0.1 0.1 16.4 292.1
37 38.9 0.5 39.4 701.9
38 6.3 10.5 0.2 17.0 302.8
39 3.1 16.3 5.3 24.7 440.0
40 8.6 31.1 4.7 44.4 790.9
41 2.8 32.0 2.0 0.4 37.2 662.7
42 2.3 77.2 1.7 1.4 82.6 1,471.4
43 18.3 18.3 326.0
44 3.1 25.5 5.2 33.8 602.1
45 18.1 49.5 1.5 69.1 1,230.9
Average 3.0 26.7 0.0 1.1 0.4 1 0.0 1 31.21 555.2
Sampling Adequacy: t = 1.301 var. = 226.613
n= 45 Mean = 31.16 n„,;„ = 39.498
CEDAR CREEK ASSOCIATES, Inc. A- 6 Bowie #1 Mine-West Mine - 2021
Phase III Bond Release Evaluation -Appendix A