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LOG OF MONITOR WELL OK-2 <br />HYDROLOGIC STUDY AT EDNA, TROUT CREEK <br />AND FISH CREEK MINES, ROUTT COUNTY, COLORADO <br />PITTSBURG & MIDWAY COAL MINING CO. <br />Date Drilled: 9/5/79 <br />Total Depth: 20 ft <br />Location: SW h, NW h, Sec 17 NN R85W Casing Length: 20 ft <br />Logged by: D. Lundy, Brown and Caldwell Elevation Casing Top: <br />Drilled by: V. Myers, Lincoln Devore Casing Height: 1.92 ft <br />Rig: CME Model 55; 6-inch augers <br />Depth <br />range, <br />feet Drill <br />time, <br />minutes <br />character of materials <br />0-5 1 SAND brownish grey; silty, very fine to <br /> granular, mostly fine grained, small <br /> fraction angular pebbles; soft; dry to <br /> moist with depth <br />5-7 1 SAND mottled, variegated, brown, <br /> red-brown, grey; very fine to medium <br /> grained; soft; moist to wet <br />7-11 1 PEBBLY SAND variegated, red-brown, <br /> grey-green, grey; fine to granular sand, <br /> angular pebbles of brown sandstone up <br /> to 3 in., few wood fragments; very <br /> soft; wet <br />11-17 1 SAND grey; very fine to very coarse, <br /> small fraction pebbles up to 2 in.; <br /> consolidated, firm; wet <br />17_f0 4 SILTSTONE (Bedrock) grey-green; sandy, <br /> clayey; consolidated, dense; moist to dry <br />Well Completion: <br />Well casing is 4-inch ID PVC capped and set to 28.5-ft depth. <br />Casing slotted in depth range 13.5-17.5 ft. <br />Slotted casing gravel packed and bentonite pebbles and soil <br />installed above gravel. <br />Highest water level observed during drilling was 7.6 ft <br />below ground. <br />67