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• LOG OF MONITOR WELL OK-1 <br />$YDROLOGIC STUDY AT EDNA, TROUT CREEK <br />AND FISH CREEK MINES, ROUTT COUNTY, COLORADO <br />PITTSBURG S MIDWAY COAL MINING CO. <br />Date Drilled:9/6/79 Total Depth: 48 ft <br />Location: SE ~, SE ~, Sec 19 T4N R65W Casing Length: 20 ft <br />Logged by: D. Lundy, Brown and Caldwell Elevation Casing Top: <br />Drilled by: V. Myers, Lincoln Devore Casing Height: 2.0 ft <br />Rig: CME Model 55; 6-inch augers <br />Depth Drill <br />range, time, Character of materials <br />feet minutes <br />0-2 1 SAND grey; silty, very fine to medium <br />grained; 20 percent coal fragments; <br />soft; dry <br />• 2-10 3 COAL, TAILINGS black; 10 percent fine <br />sand; soft to firm; wet below 5 ft; <br />petroliferous odor <br />10-12.5 1 CLAY grey to black; silty, sandy; soft; <br />wet <br />12.5 1 SAND black; very fine to granular, <br />pebbly from 15-17 ft; soft; wet <br />12-23 0.4 CLAYEY SAND medium grey; silty, very <br />fine to medium sand; soft; wet <br />23-28 0.3 SANDY CLAY medium grey; silty; plastic, <br />soft; wet <br />28-43 6 PEBBLY SAND grey-brown to brown; sand <br />very fine to granular; pebbles of sand- <br />stone up to 1 in.; well consolidated, <br />locally hard; wet to moist, dry near base <br />43-48 7 SHALE (Bedrock) brown; silty, sandy; <br />well consolidated, firm; moist to dry <br /> <br />sJ <br />