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1 <br />1 <br />1 <br />1 <br />r <br />Solution Mining <br />Well <br />A quifer s Stratigraphy <br /> <br />5aa. f <br />t O j <br /> ee 3 ~ <br /> Of <br /> O <br />Upper ~ <br />Aquifer <br /> 675 : feet <br /> <br /> <br /> <br />Leahy <br /> <br />Semi-confining <br />Layer 830:feet <br /> <br /> <br /> <br /> <br />OSS:feet 830x feet <br /> <br />a45x feet '`'GROOVE <br />MAHOGANY ZONE <br />~ t,035x feet B-GROOVE <br />~ 1,055x feet <br /> <br /> <br />L <br />ower <br />Aquifer <br />LEACHED ZONE <br /> <br /> ~ DISSOLUTION SURFACE <br />~ <br /> 1,400tfeer 1,400: feet <br />a <br />Os <br />1,550x feet <br />150-foot buffer for / <br />aquifer protection <br />~ <br />Surface 6,230 feet <br />Surface casing <br />set to a depth <br />of about 120 <br />feet and <br />cemented to <br />surface <br />Intermediate <br />casing cemented <br />from surface to <br />1,500 feet <br />Bentonite from <br />1,500 feet to <br />1,550 feet <br />SALINE ZONE MINING INTERVAL <br />1650x feet) <br />Production <br />and Injection <br />Tubing Strings <br />2,200x feet <br />I <br />I <br />NO SCALE <br />1 <br />Source: Steigers Corporation <br />