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<br /> <br />August 20, 2018 <br /> <br />Stephanie Mitchell <br />Colorado Department of Natural Resources <br />Division of Reclamation, Mining and Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br /> <br />RE: King Pit, File No. M-1987-012, 112 Amendment (AM02) Application Adequacy Review <br /> <br />Stephanie: <br /> <br />Please see the following responses to your adequacy review concerns of August 20, 2018 <br />regarding the Division of Water Resources (DWR) comments dated August 15, 2018. <br /> <br />1. The King Pit does not anticipate exposing groundwater during any phase of mining. <br /> <br />2. Stormwater encountered and/or temporarily collected on site will either infiltrate into the <br />porous gravel of the site typical of the San Luis Valley or will evaporate within 72 hours. <br /> <br />3. Water will only be used on site as dust suppression. Any water required for dust <br />mitigation will be purchased and brought on site by a certified and independent Operator. <br /> <br />DWR had an additional comment regarding Exhibit G specifically, “Groundwater is unlikely to <br />be encountered during any phase of mining at the King Pit; however, a Substitute Water Supply <br />Plan (SWSP) is in place due to requirements dictated by Alamosa County.” However, careful <br />review by GLA Staff yields an in office error. Please revise the statement of Exhibit G to read: <br /> <br /> “Groundwater is unlikely to be encountered during any phase of mining at the King Pit. <br /> Because the alluvial gravel to be mined is dry, no water losses will occur from the gravel <br /> resource during mining.” <br /> <br />Please do not hesitate to contact me with questions or concerns. <br /> <br />Regards, <br /> <br />Katie Todt <br />(314) 704-4505 <br />Greg Lewicki and Associates