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 LOG OF PIEZOMETER
(Reference Boring No. B -1)
BARR
Sheet 2 of 3
Location West Elk Mine, Somerset,
client: Mountain Coal Company
CO
Barr Project Number. 06/261003
Surface Elevation 6192.24
Top of Casing Elevation:
STRATA
PIEZOMETER
=
O
DETAILS
o'
r
PIEZOMETER CONSTRUCTION DETAILS
DESCRIPTION w
0
0
}
Cn
W
W
30
x x
SILTSTONE
Medium -dark red and 35
x x
brown siltstone and
x x
altered shale.
x x
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40
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45
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50
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55
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60
SANDSTONE Grey,
tan,red/dark red and
white sandstone
interbedded with
::
Completion Depth: 75.0
Date Started: 6/25/09
LEGEND
Date Completed: 6/25/09
EJ FILTER PACK
WATER LEVELS
Logged By. BWL
Drilling Contractor: Haztech
® BENTONITE
WATER LEVEL: -T DRY ft
Drilling Method: HSA/CORE
® CEMENT GROUT
DATE: 09 -21 -2009
Coordinates
TIME: 0000
North: 403263.5
® CUTTINGS / BACKFILL
East: 1450468.5
i he stratitication lines represent appro)amate boundaries. The transition may be gradual.