2009-03-02_PERMIT FILE - C1980004 ‎(5)‎

• Permit No: C1980004
• IBM Index Class Name: Permit File
• Doc Date: 3/2/2009
• Section_Exhibit Name: Appendix R Stability Evaluation of Proposed Gob Wastepile
• Media Type: D
• Archive: No

BOREHOLE LOG -BOREHOLE ,~5 (BH,#05)
1 BOREHOLE LOCATION: Central gob footprint on existing coverftll stoG~ile DRILLER: Soon McCracken
' SURFACE ELEVATION: DRILL RIG: Simco 2800 iiS
NOTES: Approximately 39.43962 N, 108.77682 W DRILL STEM: 4" Solid~tem continuous flight auger
SAMPLER: 2' I.D. California split spoon
W

~ w

~
~'
~ >
_ ~ FIELD & LABORATORY
SUBSURFACE DESCRIPTION
~ ~ i m ~ ~ ~ 2? TEST RESULTS
0 0 ~ 3 ~ 5 h ~ ~ ~ y
..:
.~
.
~o

Gs21 4 9 moist, /oos~ dusky yellowish brown dayey .SAND with

:.; 5 some grovel [COVERf1LL]
f0 cSZ2 10 ?2 damp, moderately dense, pale yel%wish brown, gra-~lly
l2 SAND, little s~Tt and day [COVET?fTLL]
15
GS23 s 13 damp, moderately dense; moderate ye/%xaist~ brown,
7 silty SAND, trace grave/ [NAIIVFJ
20 _ 7 damp, moderately dense, moderate /oiroisfh brown,
GS24 tJ 17 silty SAND, trace gravel ~
~';: g
25
30 ' ?'
G~5 9 1 ~ damp, moderately dense; moderate ye/%~pi~ brown,
~~,:~ B silty fine SAND
35
40 9 damp, moderately dense; moderate }~llowis~ brown,
OS 10 19 silty SAND, trace gravel
no groundwater encountered
end of boreho% X41.0'
45
50 ~
s SPT N-wlues not corrected for energy or d~
BOREHOLE INVE'sncAnav BR6
LOG
DRAFTING CH
5 flECD DATE 9 27 07
OF 6 dos No. 07-334-GEO
strotigrophic transitions ore opproxvnoi
McCLANE CANYON M/NE
GOB PILE
GARFIELD COUNTY, COLORADO
~~ (CL)
LL=28 PL=16 P1=12
GF-2.3%
SF=2~3%
F200=69.4
MC=11.1.`K
and are inferred from cuttings dt drr7lers comments
•• GEOTECH
CivB, SWdurdl, and Geotechnical Engineers, Inc.
222 South Park Avenue
Monbose, Cokuado S>40f
Phone [phone] Fax [phone]