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COLORADO <br />Division of Recla:rna:tio , <br />,. <br />Mining and safety <br />Department of Natural Resources <br />1313 Sherman S'tree't, Room 215 <br />Denver, CO 80203 <br />Memo <br />Date: November 17, 2015 <br />To: Jared Ebert, DRMS <br />From: Tabetha Lynch, DRMS <br />RE: Foidel Creek Mine, Permit C-1982-056 <br />Midterm Review No. 7. (MT7) Review Memo <br />I have conducted a review of Foidel Creek's permit for compliance with the rules listed below. For each <br />of my assigned sections a brief discussion is provided along with bulleted adequacy review items. Please <br />let me know if you have any questions. <br />Rule: 2.04.5(1)-(3) — General Description of Hydrolo2y and Geolo2y <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 general requirements of the geology description stated in Rule 2.04.6 (1) include: <br />(a) Define the relationship between structural geology and the occurrence, movement, quality and <br />quantity of potentially impacted surface and ground water; <br />(b) Assist in determining the feasibility of the proposed reclamation plan <br />(c) Assess the potential for off-site material damage to the hydrologic balance; <br />(d) Assist in the preparation of the probable hydrologic consequence statement and the establishment of <br />the hydrologic monitoring plan; and <br />(e) Assist in the preparation of the subsidence control plan under 2.05.6(6). <br />The structural geology has been well defined though poorly organized throughout the Permit <br />sections and exhibits. The relationship between the structural geology and the occurrence, <br />movement, quality and quantity of potentially impacted surface and groundwater have been <br />presented. The lithology of the units is discussed in detail in the permit, and the water bearing <br />units are provided. <br />r`u <br />n 0 <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. Hickenlooper, Governor I Mike King, Executive Director I Virginia Brannon, Director' ` ri <br />