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JAN 0 9 208 JAN U 91 Z':, , <br /> DNIS/ON Ot: <br /> NIN 6 Sq II�,gT/QN DIVISION OF R£ , ` ;;,4 <br /> ETY MINING AND S;1`1: <br /> January 4, 2018 i� <br /> AGGREGATE <br /> Mr. Jared Ebert INDUSTRIES <br /> Division of Reclamation, Mining& Safety <br /> 1313 Sherman Street,Room 215 <br /> Denver, CO 80203 <br /> Re: Permit No. M-2004-031 —Hazeltine Mine - I I2c <br /> Corrective Action Response <br /> Dear Jared: <br /> In the Division's report of its November 8, 2017 inspection at the Hazeltine Mine, Availability of <br /> Records was cited as a problem with regard to missing or incomplete data for HZMW-2 and SG- <br /> 2 for monitoring year 2017 as submitted with the 2017 annual report. The available data for <br /> these two monitoring points was submitted with the annual report. <br /> Data for SG-2 from January through July 2017 was not available because the gauge had to be <br /> temporarily removed following the December 12, 2016 monitoring event to accommodate <br /> construction of the Orr Drain. A new gauge was re-installed and monthly monitoring resumed in <br /> August 2017. Monthly monitoring is now on-going. <br /> As noted on the data sheet for HZMW-2,that monitoring well was inaccessible. Data was <br /> collected in June 2016; however, following those monitoring events, it was determined that <br /> access to the monitoring well was not safe. Aggregate and its consultants are working towards <br /> determining a solution for providing safe access and monitoring of that well will resume when <br /> safe access can be achieved. <br /> Very truly yours, <br /> Connie N. Davis <br /> Land Manager <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 />