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March 10, 2008 <br />Kallie Bauer, P.E. <br />Water Resource Engineer <br />Applegate Group, Inc. <br />1499 West 120' Avenue, Suite 200 <br />Denver, CO 80234 <br />Re: Raindance Reservoir Liner <br />Dear Kallie: <br />The purpose of this letter is to approve the lining of the above referenced gravel pit. This approval <br />is based on the information you provided under cover letters dated October 18, 2007, and March <br />5, 2008 as well as the site inspection conducted on March 10, 2008. The estimated pit inflows <br />from precipitation and groundwater and outflows due to pumping and evaporation indicate that <br />this pit has been lined to the design standard referenced in the August 1999 State Engineer <br />Guidelines for Lining Criteria for Gravel Pits. Meeting the design standard requires that all <br />water inflows and outflows for this pond must be accounted for on a monthly basis. <br />Please call me if you have any questions. <br />Sincerely, <br />Jana Ash, P.E. <br />Water Resource Engineer <br />CC: Ty Thompon, Applegate Group <br />David Nettles, Assistant Division Engineer <br />George Varra, Water Commissioner <br />Mark Simpson, Deputy Water Commissioner