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<br /> <br /> <br /> <br />DEPTH <br />(FT.) <br /> <br />5 <br /> <br /> <br /> <br />10 <br /> <br /> <br /> <br /> <br />15 <br /> <br /> <br /> <br />20 <br /> <br /> <br /> <br />25 <br /> <br /> <br /> <br />30 <br /> <br /> <br /> <br />35 <br /> <br /> <br /> <br />40 <br /> <br />LOG OF SUBSURFACE EXPLORATION <br /> Stability Study, Coal Refuse files t12, 3 & 4 <br /> DESERADO MINE Ran el ,Colorado <br />GRAND JUNCTION Blue Mountain Energy Date <br />LINCOLN - DeVORE, It1C. Rangely, Colorado 5-23-2001 <br />Geotechnical Consultants Job No. Drawn <br />Grand Junction, Colorado 90875-GJ EMM <br /> <br /> <br />SOIL BORING NO. ~ DRILL: GJLD CME<68 <br />REFUSE PILE 2,J84 NORTHWEST CORNER <br />BORINO ELEVATION: AUGER/TOOLS: 3.76" Itl, HSA <br />BLOW <br />COUNT ~ <br />SOIL <br />DENSITY <br /> <br />WATER <br />LOG DESCRIPTION /inch Cf <br /> COAL & SHALE MEDIUM DENSITY DRY to Si. DAMP CS <br /> HARD to DRILL MEDIUM -WELL CRUSHED 5 25/6 69.6 8.7% <br /> 3816 92.0 9.9% <br /> 50/5 <br /> CS <br /> COAL & SHALE MEDIUM DENSITY DRY to SI. DAMP 10 28/6 79.9 12.1% <br /> HARD to DRILL WELL CRUSHED 45/6. 67.9 13.4% <br /> 5014 <br /> LARGER FRAGMENTS <br /> CS <br /> COAL & SHALE LOWER DENSITY SI. DAMP 15 20/6 75.1 14.1% <br /> HARD to DRILL WELL CRUSHED 20/6. 90.5 10.3% <br /> 3516 <br /> CS <br /> COAL 8 SHALE LOWER DENSITY SI. DAMP 20 28/6 78.7 13.2% <br /> HARD to DRILL MEDIUM -WELL CRUSHED 43(6 - 69.8 12.8% <br /> 50/3 <br /> CS <br /> COAL 8 SHALE MEDIUM DENSITY DRY [o SI. DAMP 25 2916: 84.1 10.3% <br /> HARD to DRILL MEDIUM • WELL CRUSHED 41/6 84.0 10.1 <br /> 50/4 <br /> ST <br /> COAL S SHALE MEDIUM DENSITY DRY t0 SI. DAMP 30 3916 80.1 10.3% <br /> HARD to DRILL MEDIUM -WELL CRUSHED CS 50/5 83.7 9.0% <br /> VERY ROCKY <br /> LESS ROCKY STRATA CS ~~ <br /> COAL & SHALE LOWER DENSITY DRY to SI. DAMP 3S 20/6 - 75.9 12.0% <br /> HARD to DRILL MEDIUM -WELL CRUSHED 3016 - 88.9 11.A% <br /> MEDIUM DENSITY 36/6 ' <br /> CS <br /> COAL 8 SHALE LOWER DENSITY DRY to SI. DAMP b0 74.4 9.9% <br /> HARD to DRILL MEDIUM -WELL CRUSHED 88.6 8.9°!0 <br /> <br />