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n <br />rc <br />d <br />ti <br />C <br />C <br />C <br />C <br />z <br />r <br />C <br />C <br />c <br />n <br />r: <br />C <br />x <br />RECORD OF BOREHOLE MW -7 SHEET 2of 7 <br />PROJECT: Boettcher Limestone Quarry DRILL METHOD: Hollow Stem Auger /NQ Core COORDINATES: DEPTH W.L.: 57.8 ft <br />PROJECT NUMBER: 103- 81640A DATE/TIME STARTED: 12/1/2012 10:30:08 AM N: 1,484,797.04 E: 3,098,804.41 ELEVATION W.L.: 5159.4 ft <br />LOCATION: Laporte, CO DRILLED DEPTH: 271.0 ft GS ELEVATION: 5217.2 ft INCLINATION: -90 <br />JJdM PL Planar SMSnwotO CMCalale <br />F -F.ft STSt R-i R -s CL Clay <br />B-Seft KSlickenailed <br />av <br />O <br />Z <br />O <br />�c <br />� <br />W <br />LITHOLOGY DESCRIPTION <br />= <br />Q. O <br />C7 <br />Di <br />� <br />ROD <br />x <br />N <br />wo <br />Fg�N <br />N `� <br />0 <br />90 <br />�° <br />REMARKS <br />GAMMA <br />P 100 200 30 <br />41--5176 <br />42 <br />43--5174 <br />4 <br />47 <br />46 <br />49 <br />51--5166 <br />52 <br />53--5164 <br />54 <br />5T--5162 <br />56 <br />57 <br />58 <br />59--5158 <br />8 <br />611--5156 <br />62 <br />63--5154 <br />64 <br />65---5152 <br />66 <br />67 <br />68 <br />69--5148 <br />7 <br />71--5146 <br />72 <br />73--5144 <br />74-- <br />715---5142 <br />76 <br />77--51140 <br />78 <br />79--5138 <br />8 <br />5172 <br />170 <br />5168 <br />160 <br />150 <br />33.8 - 87.6ft <br />Silty LIMESTONE, moderately weathered, medium <br />bedded, fossiliferous, light gray, argillaceous, close <br />to very close fracture spacing, dry continued from <br />previous page <br />57.8 <br />Becomes wet <br />Run-2 <br />0.64 <br />R'2 <br />J. PL, SM 50' <br />J. PL, SM 50' <br />B, PL, SM 70' <br />B, PL, SM 70' <br />B e, , PL , PL, SM 70' <br />SM 70' <br />B, PL, SM 70' <br />B, PL, SM 70' <br />B, PL, SM 80' <br />B. PL, S 80' <br />M <br />B. PL, SM 80' <br />B, PL, SM 80' <br />B, PL, SM 80' <br />B. PL. sM so' <br />B. ST, R, CL 80' <br />B. ST, R, CL 80' <br />J, ST, R W. <br />J. PL, SM 00' <br />51.Oft <br />Air coring method yielded poor quality core <br />and incomplete recovery from 51 ft to 61.3 <br />ft. Switched to coring with water from 61.3 <br />ft. <br />i 57.8 ft water encountered, water level <br />rose to 55.71ft in about 30 minutes <br />59.0ft <br />Wet at two intervals estimated at 59.25 ft <br />and between 56 and 58 ft, poor recovery, <br />rock too broken to estimate depths <br />accurately. <br />63.0ft <br />Fracture voids at 63.8 to 63.85 may <br />transmit water. <br />66.6ft <br />0.01 ft to 0.04 ft thick clayey silt seams at <br />66.6 ft, 68 ft, and 71.4 ft. <br />Run -3 <br />Run -4 <br />10 0 <br />0.67 <br />0.00 <br />Run -5 <br />5.3 <br />0.00 <br />Run-6 <br />5-1 <br />5.1 <br />4.80 <br />Run -7 <br />1 <br />9.87 <br />Run -8 <br />10 0 <br />9.29 <br />DRILLING CONTRACTOR: Precision Sampling LOGGED BY: Krambis <br />DRILLER: Mclnroy CHECKED BY: A. Hobson lder <br />DRILL RIG: CME 55 DATE: @UssoocWes <br />