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PROJECT: New Elk Coal Mine <br />DWDA - West Portal <br />Started Date/Time: 8 Mar 2012/ 4:30am <br />Completed Date/Time: 8 Mar 2012 / 4:45pm <br />Drilling Contractor: Scott Drilling Inc. <br />Drill Rig Type: Simco Truck Mounted <br />Drilling Method: Standard Penetration Test <br />Drillers Name: Scott McCraken <br />SOIL BORING NUMBER: Dynamic Sounding - 1 <br />Project Manger: J Friedman <br />Logged By: S Mohanty <br />Location: N 1177144 E 3147735 <br />Surface Elevation (famsl): 7635 <br />Total Depth (fbgs): 16 <br />Depth to Ground Water (fbgs): Not Encountered= <br />Sample Types: Alluvium - NA <br />Bedrock - NA <br />Inches SPT 'N' - Value Litholo is Description <br />Depth SPT Blows Driven vs g p <br />(Ft) Blows / 12 -in (inches) Depth (Described Via Cuttings and Continuous SPT Drive Samples) <br />ra <br />5 <br />10 <br />15 <br />15 <br />21 <br />18 <br />54 <br />44 <br />14 <br />14 <br />33 <br />37 <br />40 <br />53 <br />49 <br />46 <br />57 <br />51 <br />54 <br />12.0 <br />12.0 <br />12.0 <br />12.0 <br />12.0 <br />12.0 <br />12.0 <br />12.0 <br />12.0 <br />12.0 <br />12.0 <br />12.0 <br />12.0 <br />12.0 <br />12.0 <br />12.0 <br />Approximately 5' from 131-1-39, a dynamic sounding test was conducted. The <br />dynamic sounding consisted of driving a 1.5 inch steel cone following <br />ASTM D1586 'Standard Test Method for Penetration Test and Split - Barrel <br />Sampling of Soils'. <br />As per ASTM D1586, the 1.5 inch diameter cone was driven utilizing a 140- <br />pound hammer falling 30 inches. The number of blows per foot was <br />recorded for the entire length of penetration. The total depth of penetration <br />was 16 feet. <br />T.D. = 16' SPT Refusal <br />0 10 <br />20 <br />W 40 <br />—6C <br />0 10 <br />20 <br />0 <br />0 <br />06 <br />0 10 <br />20 <br />0 40 <br />EO <br />C <br />SOIL BORING NUMBER: Dynamic Sounding - 1 Page No. 1 of 1 <br />