GENERAL35613

• Permit No: C1981010
• IBM Index Class Name: General Documents
• Doc Date: 3/25/1994
• Doc Name: NOTICE OF PROPOSED TOPSOIL SALVAGE OPERATIONS CHANGE
• From: TRAPPER MINING INC
• To: DMG
• Permit Index Doc Type: SOILS
• Media Type: D
• Archive: No

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Table 1. Trapper Mining Inc. prestrip topsoil depth comparison.
Topsoil Grid Sampling-
Soil Series No. of % of Mean
Mapping Unit Sam les Total Depth
7 (a,b,e) 337 34.4 18.7
8 (b) 32 3.3 26.7
9 (b) 20 2.0 22.5
11 (b) 24 2.4 14.5
15 (b) 25 2.6 12.5
17 (a,b) 33 3.4 13.0
18 (b) 170 17.3 22.2
19 (b) 4 0.4 30.0
20 (b) 3 0.3 19.7
22 (b) 5 0.5 22.6
23 (a) 18 1.8 19.6
24 (a,b) 102 10.4 22.0
25 (a, b) 30 3.1 16.6
27 (a,b) 12 1.2 11.1
30 (a,b) 12 1.2 14.4
31 (a,b) 40 4.1 16.8
35 (b) 11 1.1 24,4
36 (a,b,e) 33 3.4 15.7
41 (a, b) 69 7.0 23.6
TOTAL 980 100.0 19.7*
Depths (in.) From Soil Series Mapping Unit Descriptions
A+ B A B Bi B2 C
Horizon Horizon Horizon Horizon Horizon Horizon
18 3 15 4 11
7 7 12
35 18 17 17 9
8 2 6 6 16
38 38
3 3 6
40 21 19 19
36 7 29 29 31
31 19 12 5 7 29
24 17 7 7 10
13 4 9 9 6
6 6 54
8 8 10
3 3 57
15 9 6 6 12
15 2 13 13 6
32 2 30 30 8
2 2 18
20 20 16
19.4* 9.2* 10.2* 1.4* 8.8* 10.5*
*Weighted average depths based on % of soil series mapping unit samples.