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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 />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 />M. MILLER <br />DEPTH - <br />BLONS/FT <br />TURBO <br />DESCRIPTION <br />a 8,000 <br />LOWS /FT <br />REMARKS <br />FROM TO <br />FT/LB, <br />SFT %L5000 <br />PER IN 2 <br />N2 <br />PER <br />54 <br />215 216 <br />216 217 <br />104 <br />217 218 <br />64 <br />218 219 <br />54 <br />219 220 <br />61 <br />220 221' <br />51 <br />221 222 <br />73 <br />222 223 <br />82 <br />223 224 <br />76 <br />224 225 <br />62 <br />225 226 WEATHERED CLAYSTONE MIXED WITH GRAY <br />76 <br />226 227 SHALE <br />144 <br />227 228 <br />98 <br />228 229 <br />76 <br />SAMPLE TAKEN <br />229 230 <br />44 <br />230 231 <br />43 <br />231 232 <br />64 <br />232 233 <br />76 <br />233 234 <br />40 <br />234 235 WEATHERED CLAYSTONE, MOIST BROWN <br />100, <br />235 236 <br />61 <br />16 <br />236 237 <br />69 <br />237 238 <br />27 <br />238 239 <br />38 <br />239 240 <br />26 <br />10 <br />240 241 BEDROCK, SHALE, SILTSTONE, CEMENTED <br />160 <br />SAMPLE TAKEN <br />241 242 <br />281 <br />242 243 • - <br />348 <br />*MEASUREMENT TAKEN INDICATES ACTUAL <br />DEPTH DRILLED 246' <br />ADVISED BY DRILLER POSSI- <br />BILITY OF BERING DRILL STEM. <br />Penns Number C " I C) I I <br />Class: OParmit <br />Sectlonl6diibit: ----------------------------------------------------- <br />Classy O Revision <br />Class: port O Hydro General/ G' <br />Doc_7 Pe_�'J_Ticy.L�t -J FiL L_ ' CLTEIL I-!� <br />OApplicaticn (Coal only) u Bond Enforcement sh&— <br />11Y1 VIII WI <br />92 <br />90fi142 <br />