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/11- Sep -2009 10:58 AM Asphalt Paving 303 279 6216 f L/3 <br />V • �l -1 9�0- 9G <br />A-: O S L,5�- <br />STATE OF COLORADO <br />PATER DIVISION ONE <br />'`rr?FFICE OF THE STATE ENGINEER <br />Division of Water Resources <br />Rb <br />Department of Natural Resources <br />810 a Street, Suite 200 <br />Greeley, Colorado 80631 <br />Phone (970) 352 -8712 <br />Owens <br />i Fax (970) 392 -1B16 <br />Governor <br />Go <br />www.waterstate.ro.us <br />Russell George <br />Executive Director <br />Hal D. Simpson, P.E. <br />State Engineer <br />June 9, 2006 <br />James R. Hall, P.E. <br />Division One Engineer <br />Sean Harvey, Geologist <br />Lyman Henn, Inc. <br />110 1 Street, Suite 900 <br />Denver, CO 80202 -5202 <br />Re: K'ning of Perry Pit <br />NE %, Section 25, T1 N, R67W, & NWY., Section 30, T1 N, R66W <br />Water Division 1, Water District 2 — DMG #90 -098 <br />Dear Sean; <br />i <br />The purpose of this letter is to approve the lining of the above referenced site. This approval is based on the <br />`'o' site inspection conducted on January 19, 2006 and on the information provided by you under cover letters <br />dated February 1, March 15, April 4, and April 17, 2006. The estimated site groundwater and precipitation <br />inflows end the outflows due to pumping and evaporation indicate that this site has been lined to the <br />design standard referenced in the August, 1999 State Engineer Guidelines for Lining Criteria for Gravel Pits. <br />Meeting the design standard requires that all water inflows and outflows for this site must be <br />accounted for on at least a monthly basis. <br />Please call me if you have any questions. <br />Sincerely, ` n <br />David L. Nettles, P.E. <br />Assistant Division Engineer <br />Perry PitEastLineOKdoc <br />CC: Bob Stahl; Water Commissioner <br />Suzanne Sellers, Denver SEO <br />i <br />L.r' <br />