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King Coal Mine (C-1981-035) TR -24 Adequacy Review #2 Response <br />Water Resources well data sheets for all wells within 1 mile of the permit area. Appendix <br />4(6) has been added which includes a report by Norwest Corporation on the hydrogeology <br />of the area, especially near the Vista del Oro subdivision. Appendix 4(7), the Cumulative <br />Hydrologic Impact Assessment for Hay Gulch, Revised 2006, by Tom Kaldenbach of <br />CDMG has been also been added to the King II permit package with references to it in the <br />King I permit package. TR -26 has been submitted to address further ground water <br />monitoring, spring and seep surveys, and additional sampling of the Hay Gulch Ditch. The <br />Division completed its review on November 25, 2015. GCC Energy is currently responding <br />to the Division's comments. Once data is received from the additional sampling, the PHC <br />and CHIA sections of the permit can be updated. <br />2.10 Maps and Plans <br />For King 1007 map please respond to the following questions: <br />1. Will the disturbed area boundary be increased to encompass the Refuse Pile Proposed <br />Final Configuration Outline? <br />The disturbed area boundary shown on King 1-007 is current. It is our intention to <br />increase the boundary on subsequent maps as more material is added to the refuse <br />pile. <br />2. Where does Reach 1 discharge to? <br />Reach 1 discharges to an energy dissipater which feeds Reach 2. Reach 2 is an 18" <br />culvert which discharges into Reach 5 directly behind the Sales Office. <br />3. What is the final discharge location of water from Reach 10? <br />Reach 10 discharges to Reach 7. Reach 7 discharges directly into the West Pond. <br />4. How will the clean water ditch (Reach 1) be configured with respect to the Refuse Pile <br />Proposed Final Configuration Outline <br />Reach 1 will continue to follow the north edge of the refuse pile as it advances up <br />the hill as more material is added. The resulting steep section will continue to be <br />rip -rapped as per the current approved designs. <br />S. Does a buried leach line follow the road across the lower portion of the refuse pile? <br />No. There is a buried underdrain system as per the current approved designs, but <br />it does not follow the road. <br />DRMS 10/21/2015: <br />In general for all maps please make them legible and easier to use as follows: <br />o Orient all text horizontally from left to right (except waterways), eliminate upside down, <br />sideways etc. text. <br />o Make sure text is not obscured, overlapped or overlapping other layers. <br />o Please remove symbology from the map that is not pertinent to the map. <br />o In the legend, please call out all symbols used on the map. <br />o Be aware of font size. Make it a legible size when printed and not overbearingly bold <br />which cause visual clutter on the map making it difficult to read and understand. <br />o As much as possible, remove duplicate text without sacrificing clarity to keep the map <br />uncluttered. <br />o For cross sections on maps; please place the nearest 10' contour line value so that cross <br />section elevations can be verified with the cross section diagrams to the right, for <br />example in (Map 007C for TR25). Also, please make the 10 foot contour lines thicker. <br />