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From: o: /~' <br />Doc. N ~'~ <br />Doc. Date (if/ n,o'~e <br />~~~ V stamp). . <br />RECEIVED <br />- : :: <br />... _ --AUG 0 5-~i - <br />Division of Minerals arld Geology <br />_._; <br />- August z, 2ooi <br />Tom Schriever <br />Division of Minerals and Geology <br />1313 Sherman Street,-Rm.215. - ... _. --. <br />Denver; CO-80203 ~~-- - <br />13E. Aggregate Industries - WGR, Inc. <br />Pratte Valle Pit- 89-12i} <br />Groundwater Modeling Study <br />AGGf~EGATE <br />INDUSTRIES <br />-. . ^ <br />Dear Tom: <br />gr g y prepazed by 1Vlarhn and Wood, and -- <br />Attached is the oundwater modelin- stud <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 aeazby 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 />Please shaze this report with the State Engineer's Office and call Phil Martin or me <br />(Martin & Woods - 303-526-2600) with questions or concerns regazding this study. <br />Thank you. <br />Sincerely, <br />Jamie W. Gaboriau <br />Manager of Environmental Affairs <br />Cc: Steve Brancucci, Golden West FamZS, 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 Reglon, Ina <br />3605 South Teller Street <br />Lakewood, CO 80235 <br />Telephone: 303-985-1070 An Equal Opportunity Employer <br />