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CERTIFIED MAIL RECEIPT 7015 1730 0000 0986 4179 <br />October 26, 2017 <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Re: Permit No. M-1977-436, Brighton Mine - I I 2 Annual Report and Map <br />Ladies and Gentlemen: <br />RECEIVED <br />NOV 0 2 2017 <br />DMSION OF RECLAMATION <br />MINING AND SAFETY <br />AGGREGATE <br />INDUSTRIES <br />Enclosed is Aggregate Industries' check in the amount of $791 A0, the annual report form and a drawing <br />for the report year ended August 28, 2017 for the above -referenced permit. <br />Mining at the Brighton Mine was completed during the permit year ended August 28, 2011. The <br />aggregate processing plant, located in the northwestern portion of the site and associated supplies and <br />equipment located west of the central reservoir were removed from the site during the permit year ended <br />August 28, 2013. Processed material stockpiles remain within the northwest area of the project while the <br />reclamation phase of mining activity continues. <br />Sloping of all phases of mining has been completed, and grading of the floors of the south and central <br />reservoir cells has been completed. Leak tests for the slurry wall that was constructed in 2007 have been <br />conducted by TetraTech. The south cell reservoir lining was approved by the Colorado Division of Water <br />Resources on August 19, 2010 and the central cell reservoir Iining was approved by that agency on June <br />9, 2011. Upland areas around the perimeters of the reservoirs have been seeded in previous years. <br />Additional seeding was done south of the main gate and along the west and north boundaries of the <br />central reservoir. All areas continue to be managed for weed control. <br />Reclamation activity in the north pond area in accordance with TR -5 is projected to continue in 2017- <br />2018. <br />If you have any questions or need additional information, please call me at (970) 396-5252. <br />Very truly yours, , _/ <br />Gam �7�Tul�'ti6� <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 />Telephone: 303-985-1070 An Equal Opportunity Employer <br />