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Raptor Materials Second Adequacy Response <br /> • The temporary soil stockpile location in the North-East Section of Central Field <br /> is labeled on Exhibit C-2. <br /> • RM confirms the term "keyway" as used generally in the Two Rivers application <br /> is a de- watering trench. This is clarified in each Exhibit where the term is used <br /> when referenced for the first time. <br /> • Acknowledged <br /> 6.4.4 Exhibit D -- Mining Plan <br /> 16) In this and other exhibits, an effort should be made to update agency names. <br /> For example, the Colorado Division of Wildlife is now Colorado Parks and Wildlife. <br /> The abbreviation CDH should be CDPHE. <br /> Raptor Materials First Adequacy Response <br /> Please refer to the discussion as it applies to the use of agency names and <br /> anacronyms, as discussed in the Prologue, above. <br /> Division Second Adequacy Comment <br /> No additional response Is required from Rill. <br /> 17) The mining plan (aka extraction plan) requires more detail. In particular, the <br /> plan should include a schedule that specifies the areas to be worked for given <br /> phases, with ranges of time periods. The phases described in Exhibit D should be <br /> coordinated with the Extraction Plan Map, Exhibit C-2. The operator can change <br /> the plan later, as needed, with technical revisions and/or amendments. Additional <br /> clarification on the sequence of the mining plan is necessary to calculate the <br /> required financial warranty. <br /> Raptor Materials First Adequacy Response <br /> Fields vs. Phases: As detailed in the Extraction Plan over pages 13 and 14 (copied <br /> below), we detail a modified Phasing Plan based upon Field Sections. The NW Field <br /> is Separated in the whole by a public road from Central Field, while Central Field is <br /> bound together in three contiguous Sections (you may consider them Phases, <br /> although not sequential phases as they can be accessed simultaneously in time). So, <br /> the Fields and Sections are distinct from conventional mining phases, in that with <br /> enough Warranty, any or all can be accessed and extracted independently and <br /> simultaneously, instead of sequentially. <br /> 171Page <br /> Correspondence to the Colorado Office of Mined Land Reclamation—Reply to Rob Zuber,EPS—Adequacy Letters of 24 June and 5 <br /> August 2022;in the matter of the Two Rivers Sand,Gravel and Reservoir Project—M2022-013. <br />