Laserfiche WebLink
Page 2 of 2 <br /> MONITOR WELL LITHOLOGIC LOG <br /> Monitor Well Name Geologic Unit Monitored Overburden, Dakota Coal <br /> Drilling Date 04/20/86 Logged By G. Wendt and Underburden <br /> Geophysically Logged By None Total Depth Drilled (ft) 31.0 <br /> DEPTH (FT) DESCRIPTION AND COMMENTS <br /> 28. 1 - 29.0 SHALE, very dark gray to black, slightly hard to hard, carbonaceous, <br /> few 0.01 foot thick coal streaks, NE <br /> 29.0 - 29.6 SANDSTONE, light brown grading to light gray, extremely hard, clear <br /> to white gypsum streak at 29.23 - 29.27, NE <br /> 29.6 TOTAL SAMPLE DEPTH <br /> 31.0 TOTAL DRILL HOLE DEPTH <br /> Cuttings collected from 0.0 to 14.0 feet, 54 inch diameter hole <br /> 3 inch core from 14.0 to 29.6 feet, 4 7/8 inch diameter hole <br /> Dry hole <br /> NE - Non Effervescent <br /> SE - Slight Effervescent <br /> ME - Moderate Effervescent <br /> VE - Violent Effervescent <br /> D-23 Revised 11/01/86 <br />