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Barr Engineering Company <br />4700 West 77th Street <br />BARR Minneapolis, MN 55435 -4803 LOG OF BORING SB09 -11 <br />Sheet 2 of 2 <br />Project: Proposed Coal Handling <br />Location: West Elk Mine, Somerset, <br />I <br />Client: Mountain Coal Company <br />Facilities <br />CO <br />Barr Project Number: 06/261004 <br />STANDARD PENETRATION <br />NATURAL DRY <br />TEST DATA <br />DENSITY <br />w <br />o <br />\ <br />N in blows /ft O <br />(pcf) is <br />o <br />MATERIAL DESCRIPTION <br />a <br />> 0 <br />10 20 30 40 <br />105 115 125 <br />co <br />C <br />(ASTM D2488) <br />C <br />Z LL <br />4) <br />p <br />?� <br />d $ <br />SHEAR STRENGTH, ksf <br />Water Content, % <br />w <br />0 <br />E <br />Q, x UC A TV X <br />WP WN WL <br />VS A VSR O <br />30 <br />1 2 3 4 <br />20 40 60 <br />30.0 <br />36 <br />� <br />C�7 <br />35 <br />40 <br />45 <br />50 <br />55 <br />60 <br />Completion Depth: 30.0 <br />Remarks: <br />Date Boring Started. 6/30/09 <br />Date Boring Completed: 6/30/09 <br />SAMPLE TYPES <br />WATER LEVELS <br />Logged By. BWL <br />Drilling Contractor: Haztech <br />Drilling Method: HSA <br />m Auger Cutting ,Shelby Tube <br />While Drilling: <br />Northing: <br />g' <br />® <br />Split Spoon Rock Core <br />nd of Drilling: <br />Eastin <br />hrs After Drilling: <br />i ne stratification ones represent appro)amate Dounoanes. I ne transition may be gradual. Revised March 19, 2010 <br />