2010-04-26_PERMIT FILE - C1980007A ‎(6)‎

• Permit No: C1980007A
• IBM Index Class Name: Permit File
• Doc Date: 4/26/2010
• 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 55435 -4803 LOG OF BORING SB09 -11
Sheet 1 of
Project: Proposed Coal Handling
Location: West Elk Mine, Somerset,
I
client: Mountain Coal Company
Facilities
CO
Barr Project Number: 06/261004
STANDARD PENETRATION
NATURAL DRY
TEST DATA
DENSITY
w
m
o aS
3 0
N in blows /ft OO
(pcf) it
o
MATERIAL DESCRIPTION
10 zo 30 ao
tos its 125
i✓o
n
(ASTM D2488) n
z o
w
p
n
(L `o
SHEAR STRENGTH, ksf
Water Content, %
E
Q X UC A TV )K
WP WN Wr
N
Surface Elev.: 6260.0
VS A VSR O
0
1 2 3 4
20 40 60
FAT CLAY (CH) Dark brown -black day with coal dasts
50
50
i
COAL Broken coal and silt/sand size coal dust. Slightly moist, 2.5
i
mostly dull with some bright coal. Some dry zones. Siltstone
23
fragments.
/
6255
5
19
19
12
R12
6250--10-
\
FAT CLAY (CH) Black -grey clay with coal dust and lasts. Very
moist. 10.5
24 2
COAL Coal dust and lasts with fragments of siltstone and
s_ands t_o sli ghtly mo _ _ _
_ _ _ _ _ _ _ _ _ __ _ _
COAL Mixed coal gravel, clasts and dust with rock fragments 12.5
day
/
/
and seams. Slightly moist and dry zones.
21
21
6245--15-
1
1 1
2
24
/
/
6240--20-
/
13
13
FAT CLAY (CH) Clay with some gravel, sand and silt. 20.5
COAL Broken coal with some fragments of siltstone and 21.5
I
mudstone. Mostly dry with small wet zones.
I
I
6235--25-
I
I
15
----------------------- - - - - --
\
27.0
6230--30-
c ontinued e /
Completion Depth: 30.0
Remarks:
Date Boring Started: 6/30/09
Date Boring Completed: 6/30/09
Logged By: BWL
SAMPLE TYPES WATER LEVELS
Drilling Contractor: Haztech
Drilling Method: HSA
While Drilling:
m Auger Cutting ,Shelby Tube
Northin g '
End of Drilling:
® Split Spoon n Rock Core
Eastin
hrs After Drilling:
10
0
i ne stranncation fines represent approximate boundanes. 1 ne transition may be gradual. Revised March 19, 2010