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V. 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 />Internal Memo <br />Date: January 23, 2018 <br />To: Brock Bowles, DRMS <br />From: Tabetha Lynch, DRMS <br />RE: New Horizon Mine, Permit C-1981-008 <br />Renewal Review No. 7. (RN7) Review <br />I have conducted a review of New Horizon Mine permit for compliance with the rules listed below. For <br />each of my assigned sections a brief discussion is provided no additional data is requested as a part of this <br />review. Please let me know if you have any questions. <br />Rule: 2.04.5(1)-(3) — General Description of Hydrology and Geology <br />Permit section 2.04.5 provides the overview of the regional hydrology and geology which meets <br />the required of Rule 2.04.5. This includes: a description of the regional geology in reference to <br />the permit area, a map in accordance with 2.10 providing regional hydrological features and <br />drainage areas, and an adequate characterization of surface and groundwater quality and quantity <br />for this section. Geologic Charaterization is primarily refered to Section 2.04.6 and Hydrologic <br />capabiliy is refered to Section 2.04.7 reviewed below. <br />Rule: 2.04.6(1)-(3) — Geology Description <br />The structural geology has been well defined in Permit section 2.04.6. The materials within the <br />mine disturbance area have been well characterized and suitable materials for reclamation have <br />been identified to be separated and used as cap material. The following hydrological information <br />was addressed in the Permit sections listed. <br />Rule 2.04.6 (1) (a), refers to the relationship between the structural geology and the occurrence, <br />movement, quality and quantity of potentially impacted surface and groundwater. The lithology <br />of the units is discussed in detail in Permit section 2.04.6, and the water bearing units are <br />discussed in 2.04.7. <br />The potential for off-site material damage to the hydrologic balance as stated in Rule 2.04.6(1)(c) <br />was discussed in Section 2.05.6(3) of the Permit referring to the protection of the hydrological <br />balance. <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 />