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blue eorth <br /> SOLUTIONS <br /> June 7, 2017 <br /> Division of Reclamation, Mining and Safety <br /> 1313 Sherman Street, Room 215 <br /> Denver, Colorado 80203 <br /> Subject: Treiber Lakes,M-2011-049,Annual Report <br /> This annual report summarizes mining and reclamation activities at the Treiber Lakes site, Permit <br /> number M-2011-049, during the report year ending June 6, 2017. The following attachments are <br /> included with this cover letter. <br /> 1. Completed annual report form and <br /> 2. Annual report map. <br /> NOTE: The annual fee check for$791.00 was previously submitted and received by DRMS <br /> (confirmed by Michelle Ramirez). <br /> Mining and reclamation highlights from the report year include: <br /> ➢ A soil-bentonite slurry wall was completed around the outside of the Treiber A mining cell in <br /> August 2013. The slurry wall was approved by the Colorado Office of the State Engineer on <br /> January 27, 2014. The interior slopes and bottom of the Treiber A cell were graded in <br /> September 2014. <br /> ➢ The mining cells are currently being evaluated for marketable material. <br /> ➢ A soil-bentonite slurry wall was completed around the outside of the Treiber B mining cell in <br /> May 2016. The slurry wall leak test was approved by the Colorado Office of the State <br /> Engineer in a letter dated September 16, 2006. The interior slopes and bottom of the <br /> Treiber B cell were graded 3H:1 V or flatter. <br /> For additional information please contact Blue Earth Solutions or the City of Greeley Water and <br /> Sewer Department. <br /> Sincerely, <br /> Blue Eartij Solutions,JLLC <br /> Axiaj- <br /> William Schenderlein <br /> Attachment <br /> Blue Earth Solutions,LLC P.O.Box 2427 Fort Collins,CO 80522 (970)227-2803 <br />