2011-09-30_PERMIT FILE - C1980007A ‎(6)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 9/30/2011
• Doc Name: Boring Logs
• Section_Exhibit Name: Exhibit 82 Appendix A
• Media Type: D
• Archive: Yes

Barr Engineering Company
4700 West 77th Street
BARR Minneapolis, MN 554354803 LOG OF BORING SB09 -12
Sheet 3 of 4
Project: Proposed Coal Handling
Location: West Elk Mine, Somerset,
client: Mountain Coal Company
Facilities
CO
Barr Project Number: 06/261004
STANDARD PENETRATION
NATURAL DRY
TEST DATA
DENSITY
w
o
.
\
N in blows /ft 0
(pcf) st
o
L
MATERIAL DESCRIPTION
L)
0
a
>
10 zo so ao
105 115 tzs
(ASTM D2488)
C
Z Cy
4)
m
a o
SHEAR STRENGTH, ksf
Water Content, %
tl.l
E
Op x UC A TV X
Wp WN WL
cn
VS A VSR O
60
1 2 3 4
20 40 60
LEAN CLAY (CL) Dark grey -black day with coal, mudstone and 60.0
siltstone fragments. Some sandstone fragments. Slightly moist.
37
37
Water added.
/
6195--65-
18
¢
I
1
8
6190--70-
1
I
I
13
do 13
TI
I
6185--75-
I
I
I
I
14
11
l
1
l
1
I
6180--80-
22
622
6175--85-
SANDSTONE Light brown, broken sandstone with some Y.
CLAY (CL -CH) Medium brown day with sand, silt and gravel. 85.5
56
56
Slightly moist.
61704
90
Gontinued Next a e
Completion Depth: 92.0
Remarks:
Date Boring Started. 6/29/09
Date Boring Completed: 6/29/09
SAMPLE TYPES
WATER LEVELS
Logged By: BWL
Drilling Contractor: Haztech
Drilling Method: HSA
Auger Cutting ,Shelby Tube
While Drilling:
Northing
®Split Spoon n Rock Core
End of Drilling:
Eastin :
hrs After Drilling:
i ne strauncauon fines represent approamate Dounaanes. I ne transition may be gradual. Revised March 19, 2010