2023-07-19_REVISION - M2021052 (17)

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do not meet the final reclamation configuration (pond) back to rangeland. Topsoil and overburden may be sold after the completion of final reclamation of the current phase of the mining operation a) Please revise both the Mining and Reclamation Plans to include a statement that sufficient material will be retained until no longer needed for final reclamation. State the volume by mining phase (Initial strip, 30%, and 60%) required to be replaced. The narrative has been updated to reflect that the overburden and topsoil stripped during Phase 1 will be stockpiled until the 60%phase when Scott will need to sell some of the material in order to mine this area. The anticipated volumes needed by Phase (Initial Strip is Phase 1) are included in the cost table. b) Commit to stabilizing all stored topsoil with a temporary mix. No temporary mixes will be used for this project, as stated in Section 6.3.3.1. The narrative provides a commitment to stabilize all stored topsoil with the upland seed mix (minus the shrubs). c) Include the cost of replacing topsoil and overburden for all affected lands not yet a pond and reseeding as an upland mix. Added to the cost table. 17) With regards to GPS slope verification, is it $3,500 per mining phase plus the $2,500 one-time set up?Or$3,500 each time they come out and you anticipate needing services for each mining phase plus once for final reclamation? There is a one-time set up fee at the beginning of the project. It is anticipated that is will be an additional $3,500 per mining phase. 6.4.19 EXHIBIT S - Permanent Man-made Structures The updated structure agreement for CDOT is not valid. The signature dates and notary dates for CDOT's portion are different dates and therefore invalid. However, because this structure is covered under the Geotechnical Stability Analysis a completed agreement is not necessary. Sincerely, IHC SCOTT, INC. Andy Carpenter Area Manager