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COLORADO <br />AMVDivision of Reclamation, <br />Mining and Safety <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />October 30, 2018 <br />Tamme Bishop <br />J.E. Stover and Associates <br />2352 North 7th Street, Unit B <br />Grand Junction, CO 81501 <br />RE: McClave Canyon Mine, Permit No. C-1980-004 <br />2017 Annual Hydrology Report Review <br />Dear Tamme, <br />The Division of Reclamation, Mining and Safety (the Division) received the 2017 Annual <br />Hydrology Report for the McClane Canyon Mine on April 3, 2018. The Division has completed <br />the review of the above referenced document finds the report to be in compliance with the <br />following Rules: <br />The 2017 report is in compliance with Rules 4.05.13(1), (2), (3) and (4) and the approved permit <br />application package. <br />Rule 4.05.13(4)(a) - The data collected during the 2017 Annual Hydrology Report (AHR) is kept <br />and maintained at the Offices of J. E. Stover and Associates. <br />Rule 4.05.13(4)(b) - The 2017 AHR is compiled from the analysis of hydrologic data collected <br />from the monitoring period of October 1, 2016 to September 30, 2017. <br />Rule 4.05.13(4)(c)(i), (ii), (iii) - The 2017 AHR was submitted to the Division by the determined <br />date on which the permittee and the Division agreed to. The report included an interpretation the <br />collected data and identified mining related impacts to the hydrologic balance. <br />Discharge Monitoring Reports (DMRs) are submitted to the Division on a monthly basis. There <br />were no exceedances recorded at either of the monitoring locations during the 2017 calendar <br />year. For more detailed reviews of the DMRs for the Roadside Portals Mine, please see the <br />Division's quarterly DMR review letters. <br />a4 Co <br />1313 Sherman Street, Room 215, Denver, Co 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us hE <br />John W. Hickenlooper, Governor I Robert W. Randall, Executive Director l Virginia Brannon, Director *s 876 <br />} l87fi # <br />