2009-05-06_REPORT - C1980007

• Permit No: C1980007
• IBM Index Class Name: REPORT
• Doc Date: 5/6/2009
• Doc Name: Slope Stability Analysis
• From: John Rale
• To: DRMS
• Permit Index Doc Type: Stability Report
• Email Name: TAK
• Media Type: D
• Archive: No

West Elk Mine
Borehole Sample
number number
97-118 1I8-1
97-118 118-2
97-118 1- 1 g 3
97-118 118-4
97-119 119-1
97-119 119-2
97-119 119-3
97-119 119-4
97-121 121-1
97-121 121-2
97-121 121-3
97-121 121-4
97-122 122-1
97-122 122-2
97-122 122
97-122 it 122-4
97-I23 123-1
97-123 123-2
97-123 123-3
97-123 123-4
97-124 124-1
97-124 124-2
97-124 124-3
97-125 125-1
97-125 125-2
97-125 125-3
97-125 125-4
97-125 125-5
97-126 126-1 I
Page
clM? 3 2/1I/98
Swell Swell Phi
Collapse Cohesion angle TAN
'e331i7'e % % eo
2.03 2 4 0.456 I (0 (deg.) Phi Remarks
I I (non-cohesive
0.9 1.3 0.484
1.81 4.6 0.428
0.3 0.497
0.49
non-cohesive
Sampless
f
I i
? k
11 t? y