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Cotter Corporation <br />Project: JD9 Mine Completion Date: <br />Northing: Driller: <br />Easting: Hydrogeologist: <br />Ground Elev.: Screened Interval: — 700 -720 ft <br />Casing Elev.: Formation: Morrison Salt Wash) <br />Depth <br />Well Completion Lithology <br />(feet) <br />r ogy <br />2" casing locking cap and (Approx. Example only) <br />0 <br />stickup: 2.0' 3 traffic posts at surface <br />0'- 40' Alluvium <br />0' -19': cement <br />r 3'_19' 8" steel casing <br />surface seal <br />cemented in 12" borehole <br />5o <br />19 - 70CPuregoldNolday <br />bentonite grout <br />+2' - 705: blank sch 80 <br />flush - threaded PVC casing <br />55 <br />Goo <br />/ <br />Centralizers (40 ft spacing) <br />i <br />65 <br />700. depth to water (bgs) <br />715-725'. Cetco <br />coated bentonite pellet seal <br />70 <br />730': Centralizers <br />730' - 75007.020 -in. scot <br />sch 80 factory- slotted <br />725' - 75'-: 10 -20 gradation <br />PVC screen <br />750 <br />Colorado silica sand <br />750-756 blank sch.80 <br />752': Centralizers <br />PVC sump <br />755 -760' fill <br />760' total depth of borehole <br />(drawing not to scel <br />