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RECEIVED <br /> AUG 2b 2016 <br /> CERTIFIED MAIL RECEIPT NO. 7015 0640 0007 7571 8325 <br /> DIVISION C, _ ',.ATION <br /> MINING AND SAFETY <br /> August 23, 2016 <br /> Division of Reclamation, Mining& Safety <br /> 1313 Sherman Street, Room 215 AGGREGATE <br /> Denver, CO 80203 <br /> INDUSTRIES <br /> Re: Permit No. M-1989-120—Platte Valley Operation- 112c Annual Report and Map <br /> Ladies and Gentlemen: <br /> Enclosed is Aggregate Industries' (AI)check in the amount of$791.00 together with the annual report <br /> form and updated map. In accordance with TR-03 regarding groundwater monitoring, also enclosed is `0 <br /> quarterly groundwater measurement data collected by At and C_.DDc' ntaining water quality monitoring <br /> and measurement data collected at the site and submitted to Colorado Department of Public Health and <br /> Environment as required under the recycling license held by Broda Inert Fill. <br /> Mining has been completed in all cells/phases of Platte Valley except the processing plant area and <br /> concrete batch plant site(Cell 5/Phase 5). These areas will continue to operate with material being <br /> conveyed from AI's Wattenberg Lakes operation(Permit M-2004-051). Mining within Phase 5 will not <br /> occur until all material from Wattenberg has been processed through the Platte Valley plant. <br /> Phase 3 backfilling along the north boundary to restore flood damaged land adjacent to the river in <br /> accordance with TR-05 was completed as of April, 2016. Phase 3 backfilling with fines disposal from the <br /> wash plant continued during 2015-2016 and fill of this area to wetland grades has been completed. <br /> Phase 4 backfill continued during 2015-2016, and this activity will continue throughout the life of the <br /> mine in accordance with the reclamation plan and the inert fill import notice approved by the Division on <br /> November 15, 2005. Phase 4 is also being backfilled with fines from the wash plant. <br /> Additional backfill in Phase 2 progressed during 2015-2016 and is establishing a 200-foot offset from the <br /> river in accordance with TR-04. Continued backfilling in Phase 2 will create an approximate 200-foot <br /> wetland bench to establish a total 400-foot offset from the river in accordance with the approved <br /> reclamation plan. <br /> Monitoring and management for weeds in previously seeded areas is ongoing. <br /> Very truly yours, <br /> Ga��il/�• Zf��l�o <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 />