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CERTIFIED MAIL <br />RETURN RECEIPT NO. 7011 1150 0001 6464 0896 <br />July 3, 2013 <br />RECE1V7 <br />JUL 05 2013 <br />DIVISION OF RECLAMATION <br />MININGAND SAFETY <br />Mr. Jim Dupler AGGREGATE <br />Division of Reclamation, Mining & Safety INDUSTRIES <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Re: Permit No. M -1989 -120 — Platte Valley Operation - 112c Annual Report and Map <br />Dear Jim: <br />Enclosed is Aggregate Industries check in the amount of $791.00 together with the annual report <br />form for the above - referenced permit and an updated map. In accordance with Technical <br />Revision -03 regarding groundwater monitoring at the site, also enclosed is quarterly groundwater <br />measurement data collected by Aggregate Industries as well as quality monitoring and <br />measurement data collected at the site and submitted to Colorado Department of Public Health <br />and Environment as required under the recycling license held by Broda Inert Fill regarding <br />import inert fill operations as the site. <br />As noted in previous annual reports, mining has been completed in all cells /phases of the Platte <br />Valley operation except the processing plant area and concrete batch plant site (Cell 5/Phase 5). <br />These areas will continue to operate with material being conveyed from Aggregate Industries' <br />adjacent Wattenberg Lakes operation (Permit M- 2004 -051). It is anticipated that mining within <br />Phase 5 areas will not occur until all material from the Wattenberg site has been processed <br />through the Platte Valley plant. <br />Backfilling of Phase 4 continued during the permit year ending July 16, 2013, and backfill <br />activity in this cell will continue throughout the life of the mine in accordance with the permit <br />reclamation plan and the inert fill import notice approved by the Division on November 15, <br />2005. Monitoring and management for weeds in previously seeded areas is ongoing. <br />Very truly yours, <br />Connie N. Davis <br />Land Advisor <br />Enclosures <br />Aggregate Industires <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 />