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Sullivan Pit Engineeung Second Review Memo <br />Page 3 of 3 <br />October 6, 2015 <br />intercepted, the site soil must consist of well -cemented clayey gravels, poorly graded gravel - <br />sand -clay (GC soil classification) and the backfill material must be replaced as indicated in the <br />slope stability exhibit. If groundwater is intercepted shallower than expected and/or the soils <br />differ from the expected soil type, the Applicant must contact the Division immediately and <br />reevaluate the stability analysis based on the corrected information. The Applicant must <br />understand any transgression of the sloping criteria and mining offsets will be considered a <br />serious violation of the permit if it is approved and issued. <br />Enclosures — Galena stability models <br />Cc: Wally Erickson; Division of Reclamation, Mining & Safety <br />