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ROBERT W. THOMPSON INC. (303) 825 -0777 <br />JOB NO. 7245 <br />, <br />1971 WEST 12TH AVENUE, DENVER, COLORADO, 80204 <br />JOB NAME COLOWYO COAL CO. <br />HOLE NO. <br />ELEV.TOP OF HOLE <br />LOCATION <br />MW -1 (6,900 N) <br />6,900 - <br />6,900 LEVEL,,STREETER CANYON FILL <br />DIRECTION OF HOLE <br />ELEV. GROUND WATER <br />DRILLING CO. <br />DRILLER <br />DRILL TYPE <br />VERTICAL <br />6,784 <br />BECKER <br />DELVCA <br />HAMMER DRILL <br />OVERBURDEN THICKNESS <br />DEPTH DRILLED IN ROCK <br />TOTAL DEPTH <br />SIZE AND TYPE OF BIT <br />228' <br />18' - <br />''246' <br />5 1/2" WEBB <br />OVERBURDEN SAMPLES: <br />TOTAL NO.OF CORE BOXES <br />ENGINEER <br />DISTURBED X UNDISTURBED <br />I <br />M. MILLER <br />DEPTH <br />BLOWS/FT <br />TURBO <br />DESCRIPTION <br />8 8,000 <br />FT/LB <br />BLOWS /•FT . <br />8'9,500 <br />REMARKS <br />FROM <br />TO <br />PER 2 <br />FT/LB <br />PER 2 <br />0 <br />3 <br />TOPSOIL, CLAY, SANDY, GRAVEL, SILTY, <br />ORGANIC DARK BROWN TO BLACK <br />INITIAL BLOWS VARIED — START <br />P AND MISFIRE. 100 BLOWS /LOFT <br />SPOIL <br />3 <br />10 <br />SHALE,SILTSTONE, SANDSTONE, <br />100 <br />SCATTERED CLAYSTONE, DRY, LIGHT <br />GRAY — DARK GRAY <br />10 <br />11 <br />36 <br />11 <br />12 <br />38 <br />12 <br />13 <br />45 <br />13 <br />14 <br />30 <br />14 <br />15 <br />31 <br />15 <br />16 <br />33 <br />16 <br />17 <br />25 <br />SAMPLE TAKEN 0 — 25' <br />17 <br />18 <br />17 <br />18 <br />19 <br />14 <br />19 <br />20 <br />LIGHT BROWN LOOSE, APPROXIMATELY 20' <br />20 <br />20 <br />21 <br />13 <br />21 <br />22 <br />8 <br />22 <br />23 <br />6 <br />23 <br />24 <br />4 <br />24 <br />25 <br />3 <br />25 <br />26 <br />8 <br />SLIGHTLY HARDER <br />26 <br />27 <br />20 <br />27 <br />28 <br />19 <br />28 <br />29 <br />21 <br />29 <br />30 <br />18 <br />30 <br />31 <br />26 <br />31 <br />32 <br />24 <br />32 <br />33 <br />25 <br />33 <br />34 <br />27 <br />34 <br />35 <br />16 <br />35 <br />36 <br />10 <br />36 <br />37 <br />20 <br />37 <br />38 <br />22 <br />38 <br />39 <br />16 <br />39 <br />40 <br />LIGHT GRAY — GRAY <br />17 <br />SAMPLE TAKEN 25' — 50' <br />40 <br />41 <br />25 <br />41 <br />42 <br />25 <br />42 <br />43 <br />20 <br />43 <br />44 <br />20 <br />44 <br />45 <br />21 <br />45 <br />46 <br />21 <br />46 <br />47 <br />23 <br />47 <br />48 <br />22 <br />48 <br />49 <br />22 <br />49 <br />50 <br />22 <br />50 <br />51 <br />17 <br />51 <br />52 <br />16 <br />52 <br />—53 <br />_. _ — — — — — -- <br />— <br />— <br />20 <br />53 <br />54 <br />----- <br />i�O <br />25 <br />54 <br />55�O <br />0T <br />; u; m'^ <br />38 � <br />HARDER .(LARGE DIAMETER: [SHALE) <br />55 <br />56'' <br />8 <br />g'g�� 0;�Oz <br />66 <br />32 <br />56 <br />57 <br />$1" z;},T, 3 <br />57 <br />58 <br />� <br />30 <br />58 <br />59 <br />8 13 ; <br />18 <br />59 <br />60 <br />'— ; <br />.21 <br />60 <br />61 <br />E3 °j. ' <br />; <br />32 <br />61 <br />62 <br />� <br />$ �$I ; <br />30 <br />62 <br />63 <br />°' <br />23 <br />63 <br />64 <br />m i <br />32 <br />64 <br />65 <br />; <br />29 <br />65 <br />66 <br />50 <br />2 <br />66 <br />67 <br />= ; <br />22 <br />67 <br />68 <br />15 <br />68 <br />69 <br />15 <br />69 <br />70 <br />s '• <br />16 <br />70 <br />71 <br />S <br />30 <br />71 <br />72 <br />\ <br />30 <br />72 <br />73 <br />73 <br />74 <br />31 <br />30 <br />15 <br />�y <br />IIm1�lj �IIII <br />74 <br />75 <br />23 <br />1 <br />006795 <br />� _ <br />- I <br />r <br />