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Greg Lewicki And Associates, PLLC <br />11541 Warrington Court Phone: (303) 346 -5196 Fax (303 )-346 -6934 <br />Parker, CO USA 80138 G -Mail: info(i�.lewicld.biz <br />January 14, 2015 <br />Michael Cunningham <br />olorado Division of Reclamation, Mining, and Safety <br />1313 Sherman St, Rm 215 RECEIVED <br />Denver, CO 80203 <br />15 2015 <br />RE: Ralston Quarry M- 1974 -086 Amendment 3 (AM03) <br />DIVISION OF RECLAMATION <br />Mr. Cunningham MIMING AND SAFETY <br />Attached to this letter you will find the portion of Appendix 2 covering the hydrologic analysis <br />of the Ralston Quarry and evaluation of potential watestorage for said quarry: <br />Sincerely, <br />Ben Langenfeld, P.E. <br />CC: M.L. Richardson, Asphalt Paving Co. <br />