2015-11-20_REVISION - C1981008 (2)

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COLORADO Division of Reclamation, Mining( and Safety Department of Natural Resources 1313 Sherman Street, Room 215 Denver, CO 80203 Memo Date: November 20, 2015 To: Brock Bowles, DRMS From: Tabetha Lynch, DRMS RE: New Horizon Mine, Permit C-1981-008 Midterm Review No. 7. (MT7) Review Memo I have conducted a review of New Horizon Mine permit for compliance with the rules listed below. For each of my assigned sections a brief discussion is provided along with bulleted adequacy review items. The only adequacy item identified in this review relates to the Annual Hydrology Report reporting requirements noted under 4.05.13(1): Groundwater Monitoring. Please let me know if you have any questions. Rule: 2.04.4(1)-(2) — Baseline Cultural/Historic Information Cultural and Historic Resources are addressed in section 2.04.4 of the permit, Map showing locations of archaeological resources is Figure 2.04.4-1 and Surveyed areas shown in Figure 2.04.4-2. The Surveys recorded 12 cultural resource locations all in Tract 1. All of these sites were generally defined as scatterings and none were found be to culturally significant or eligible for protection. Rule: 2.04.5(1)-(3) — General Description of Hydrolo2v and Geolog Permit section 2.04.5 provides the overview of the regional hydrology and geology which meets the required of Rule 2.04.5. This includes: a description of the regional geology in reference to the permit area, a map in accordance with 2.10 providing regional hydrological features and drainage areas, and an adequate characterization of surface and groundwater quality and quantity for this section. Geologic Charaterization is primarily refered to Section 2.04.6 and Hydrologic capabiliy is refered to Section 2.04.7 reviewed below. Rule: 2.04.6(1)-(3) — Geology Description The structural geology has been well defined in Permit section 2.04.6. The materials within the mine disturbance area have been well characterized and suitable materials for reclamation have been identified to be separated and used as cap material. The following hydrological information was addressed in the Permit sections listed. Rule 2.04.6 (1) (a), refers to the relationship between the structural geology and the occurrence, movement, quality and quantity of potentially impacted surface and groundwater. The lithology 0 I � 1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 http://mining.state.co.us John W. Hickentooper, Governor Mike King, Executive Director Virginia Brannon, Director