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<br />REGEIVEQ <br />.. <br />_ Otvtsion of Miaerats a . <br />_` - •~~ ~ _ -- :. August 2, Zoo2 ~ - ~ ~ ~ - .~ .. ..._ AGGREGATE . <br />' Torn Schriener ~ ~ - _ ..._ _ .- -- •. . <br />Division ofMinerals and Geology ~ • <br />_ 1313 Sherman Street, Rm.215•..- ... _ ... ._ . _ _. - _ <br />.. . • Denver, CO-80203 ~-_• . - _.. _. _ - _. - <br />RE: -- Aggir_egate Industries - WGR, Inc: - .• - ~ .: <br />. . •'Platte Valley Plf-(iVi89-1~0) ~-- - -:__...; .._ _... _ ... ~ ~ - . <br />Gronndwater Modeling Study ~ . <br />- Dear Torn: -~ ~ - .. .. - -- ~ - - ...... . <br />- : - Attached' is the gioundwater•modelingstudy prepazed by Martin and Wood; and •. - _ -- -- <br />Applegate Group. The study was conducted to determine impacts to neighboring wells <br />from dewatering activities at the Platte Valley Mine. <br />The conclusions of the report are presented in pages 13 -16 and conclude that largest <br />contributing factor in performance and drawdown of neazby wells is the severe drought <br />we aze now experiencing. The report provides more detail on the modeling methods and <br />charts supporting this conclusion: • <br />_ _ _ _ _ _ _ _ __ _ _Plesse share this report with the State Engineer's Office and call Phil Martin or me _ __ _ _ __ _ <br />(Martin & Woods - 303-526-2600) with questions or concerns regarding this study. <br />Thank you. <br />Sincerely, / > ~ <br />~yyu-~ w <br />Jamie W. Gaboriau <br />Manager of Environmental Affairs <br />Cc: Steve Brancucci, Golden West Farms, 1281 WC Rd., 27, Brighton, 80601 <br />Pat Wazd, VP & GM, Materials Division <br />Mike Refer, VP, Administrations & Public Affairs <br />Tom Maul, Operations Manager <br />Plant Manager, Platte Valley Operations <br />Aggregate Industries <br />West Central Region, Inm <br />3605 South Teller Street _ <br />Lakewood, CO 80235 <br />Telephone: 303-485-1070 M Equal Opportunity Employer <br />