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COLORADO <br />Division of Reclamation, <br />Mining and Safety <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Interoffice Memorandum <br />August 4, 2014, 2014 <br />From: Leigh Simmons <br />To: Jared Ebert <br />Subject: Trapper Mine (Permit No. C- 1981 -010) <br />PR -7, groundwater review <br />You requested that I review the material pertaining to groundwater submitted by the operator <br />of the Trapper mine within the PR -7 application. <br />The operator is seeking to expand the permit boundary by adding a narrow strip of land <br />immediately to the east of the current permit area. <br />In reviewing the existing permit and the proposed new /revised pages I concluded that: <br />1. the baseline characterization was previously considered adequate, and <br />2. the geology doesn't change dramatically in the proposed expansion area, so <br />3. the existing data can be extrapolated to the east <br />The extrapolation was completed with the aid of coal surface elevation data. <br />I have no adequacy comments for PR -7. <br />1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http: / /mining. state. co. us <br />John W. Hickentooper, Governor I Mike King, Executive Director I Virginia Brannon, Director <br />OF c0�0 <br />O <br />1876+: <br />