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Page ?_ of 2 <br />MONITOR WELL LITHOLOGIC LOG <br />Monitor Well Name OW-N13(IJlJ0013) Geologic Unit Monitored Dakota Coal Underiw rden <br />Drilling Date OG/10/8u Logged By J.S. Dingman ___ <br />Geophysicaily Logged By idone Total Depth Drilled (ft)__ 147.0 ___ _ <br />DEPTH (FT) DESCRIPTION AND COMMENTS <br />• <br />121.4 - 125 SHALE, blk, carbonaceous <br />125 - 134 CLAYSTOiJE, !t grey - It brn, soft _ <br />134 - 141 S!LTSTONE, It grey _ <br />141 - 147 SHALE, med grey, soft <br /> .. D. <br /> <br /> Same hole as exploration hole 851-C cored on 0"x/15/86. <br /> Lithologic log to X5.0 feet o btained from monitor well <br /> GW-IJ14 iitho;ogic log located <br />the south and 0.5 feet higher approximately 10 feet to <br />in elevation. <br />• <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> <br /> • <br />D-4 Revised 11/01/86 <br />