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" 152 <br />WELL FBR 6 <br />Date Started: 9/12/79 <br />Date Completed: 9/21/79 <br />Location: NW 1/4, NW 1/4, Sec 14 T5N R86W <br />Total Depth: 1072 ft <br />Well Casing Length: 1016.5 ft <br />Elevation Well Casing Top: 6693.5 ft <br />Elevation Ground Surface: 6693.0 <br />Drilled by: T. Leach, Starner Drilling <br />Rig: Gardner-Denver Air Rotary, <br />6 1/4 inch tricone bit <br />Logged by: D. Lundy, Geologist <br />Brown and Caldwell <br />Geophysical Logging by: <br />B. Navakovich, Geologist <br />Century Geophysical Corp. <br />Depth <br />range, Character of Materials <br />feet <br />0-10 TOPSOIL ANO SILT brown, very fine sand; soft; dry to moist <br />10-20 SANO brown to light tan below 15 ft; silty to medium, mostly <br />fine; moist <br />20-70 SANDSTONE light grey, "salt and pepper" appearance; very fine to <br />medium; soft to moderately hard and consolidated; thin interbeds <br />of grey siltstone at 35-40 ft; dry <br />70-15 SHALE medium to dark grey; fissile; soft; dry <br />75-90 SANDSTONE AND SILTSTONE light grey and medium to dark grey, <br /> respectively; sandstone as above with local sand-size black <br /> plant debris; moderately indurated to hard, talc-cemented; wet <br />130-150 SILTSTONE medium to dark grey; horizontally bedded; moderately <br /> indurated <br />150-293 SANDSTONE light grey to medium grey; very fine to medium, <br /> mostly fine; moderately consolidated, no talc cement; wet <br />293-315 SANDSTONE AND SILTSTONE light and dark grey, respectively; <br /> same lithologies as immediately above <br />315-333 SILTSTONE medium to dark grey; horizontally bedded to massive; <br /> soft to hard <br />333-370 SANDSTONE, SILTSTONE AND SHALE light grey, dark grey and black, <br /> respectively; mostly sandstone, silty to medium, moderately <br /> consolidated; siltstone and shale soft to moderately hard <br />370-948 SHALE AND SILTSTONE dark grey to black; horizontally bedded to <br /> massive; soft to moderately hard <br />