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boulders ahead of the advancement of the dragline fill, but the text does not specifically state <br />that to be true. <br />Please provide additional detail in the text to describe the method of underdrain core <br />construction in advance of the dragline operation. <br />16. Figures 25 and 26 of the HG analysis depict the Initial Underdrain Location in plan and cross <br />section. It is not clear from these diagrams (refer also to item 12, above) what portions of HG <br />Fill will be constructed using the dragline, and what portions using trucks. <br />Please modify Figures 25 and 26 to illustrate the anticipated construction sequence for the <br />Horse Gulch Fill. <br />This letter addresses all adequacy concerns based on information submitted for PR-6 to date. Further <br />information and responses submitted may reference this letter in terms of the adequacy comments in <br />need of review. At the receipt of further adequacy responses and of further submittals the Division may <br />provide adequacy comments as necessary. <br />If you have any questions feel free to contact me. (303) 866-3567 ext. 8134 <br />Sincerely, <br />Jason Mu ck <br />Environmental Protection Specialist