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escel‘je° <br /> °)©1l <br /> 4 <br /> FaCi— <br /> October 30, 20170\1 M���\G pslo SP1/4V <br /> Division of Reclamation,Mining& Safety AGGREGATE <br /> 1313 Sherman Street, Room 215 INDUSTRIES <br /> Denver, CO 80203 <br /> Re: Permit No. M-2004-031 —Hazeltine Mine- 112c Annual Report and Map <br /> Ladies and Gentlemen: <br /> Enclosed is Aggregate Industries' check in the amount of$791.00 together with the Annual <br /> Report form and drawing due for the above-referenced permit. During the permit year ended <br /> September 27, 2017. <br /> During permit year ended September 27, 2016, all mining was completed. A slurry wall leak test <br /> in accordance with Division of Water Resources guidelines was conducted during the 2015-2016 <br /> permit year and the reservoir lining was approved by the Colorado Division of Water Resources on May <br /> 25,2016.Another leak test is to be completed during the 2017-2018 permit year following completion of <br /> the"Off Drain",which was completed during the 2016-2017 permit year. <br /> Sloping of the reservoir was completed in 2016-2017. Grading of the reservoir floor was <br /> completed in 2016-2017. On drainage structure and spillway as set forth in AM-01 was <br /> substantially completed by the end of September, 2017. <br /> Copies of monitoring well data collected from October 2016 through September 2017 are also <br /> enclosed. <br /> If you need clarification or additional information regarding the annual report, please contact me <br /> at(970) 396-5252. <br /> Very truly yours, <br /> Connie N. Davis <br /> Land Manager <br /> Enclosures <br /> Aggregate Industries <br /> West Central Region,Inc. <br /> 1687 Cole Boulevard,Suite 300 <br /> Golden,CO 80401 <br /> An Equal Opportunity Employer <br /> Telephone:303-985-1070 <br />