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<br />Meurer <br />& ASSOCIATES, INC. ' <br />Y43 Union Boulevard <br />Suite 600 <br />Lakewood, CO 80228 <br />303.985.3636 rE~ <br />303.985.3800 Fns <br />www.meureccom <br />June 26, 2006 <br />Ms. Deb GSnima <br />Environmental Protection Specialist <br />.~°~ Colorado Division of Minerals and Geology <br />i 313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />RE: DMG Permit No. M-1982-015, AM-1 <br />Siegrist Construction Company <br />Job No. 3811-DMG <br />Dear Deb, <br />r/,-e. ; <br />~~~ G(~,wt.1-f".~s ~~ c,rti <br />tzw~w~~es <br />~~ ' ~! <br />9Zes.~~e- ~ z~~°~ <br />y~tJe>~ lP/z$/off <br />~ ~ 4)~~ F~.n~~cw~,r <br />-.r ASS-o.C <br />RECEIVED <br />/JUN 2 g 2006 <br />Diyi8i0n ~t Minerals and Geology <br />Enclosed with this letter is a clarification to our June 12, 2006 Adequacy Review <br />Response that was sent to the Colorado Division of Minerals and Geology (DMGI for <br />the Siegrist Construction Company Permit Amendment referenced above, Specifically, <br />it is regarding the proposed installation of rip rap along the south bank of the lakes <br />adjacent to the permit site, as proposed in Terracon's Global Slope Stability Analysis, <br />which was included in that response. <br />Per our meeting of June 22, 2006, we are sending you information regarding the <br />existing embankment in this area and the design of the rip rap protection, As can be <br />seen in the photographs of the area, embankment protection already exists. The <br />proposed additional rip rap is meant to enhance the existing conditions and further <br />stabilize the bank. Therefore, we feel that this is not a substantial change to the <br />original application. <br />At this time, we are requesting a 13-calendar day extension to the June 27, 2006 <br />permit decision date by the DMG, resulting in a new decision date of July 10, 2006. <br />G:\3811\3811-DMG Permi[\DMG Adequacy Rvw Response\3871 let Gonima 2.doc <br />