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r-~ ~~ Please describe how the mining and reclamation operations, specifically [he dewatering operations and the lined pond, will affect the quality and quantity of the wells. The mine plan map shows a set back from the Big Thompson River, but does not specify a set back distance. Please provide the Division with a setback distance and describe how the set back boundary and protected area will be marked and protected from inadvertent disturbance. 6. Rule 6.4.9 Exhibit I- Soils Information Please provide the Division with additional information on the lime/limestone material that will be backtilled into the pits. Specifically, please state the distribution, thickness, and any additional soil analysis of the material. 7. Rule 6.4.13 Exhibit M- Other Permits and Licenses The applicant may be required to obtain a well permit, augmentation plan and/or substitute water supply plan from the Division of Water Resources, Office of the State Engineer. Please indicate to the Division if these permits will be obtained. 8. Rule 6.4.19 Exhibit S- Permanent Man-Made Structures The applicant did not identify any structure within 200 feet of the affected area. Rule 1.1(48) defines "Structure. Significant, Valuable and Permanent Man-made" as a non- portable improvement to real property which has defined, current and recognizable value of an economic nature; generally including but not limiting to: buildings, houses, barns, fences, above or below ground utilities, irrigation ditches, maintained or public roads, bridges, railroad tracks, etc. The Boyd Lake Outlet Ditch, utility lines towards the north and fences meet the definition of permanent man-made features within 200 feet of the mine site. Where the mining operation will adversely affect the stability of any significant, valuable or permanent man-made structure located within 200 feet of the affected land, the applicant may either: • Provide a notarized agreement between the Applicant and the Person(s) having an interest in the structure, that the Applicant is to provide compensation for any damage to the structure; or • Where such an agreement can not be reached, the Applicant shall provide an appropriate engineering evaluation that demonstrates that such structure shall not be damaged by activities occurring at the mining operation. The applicant will need to submit the notarized agreement or engineering evaluation for all structures located within Z00 feet of the affected area. 9. The Division received a letter from [he Department of the Army, Corps of Engineers. A Copy of the letter is enclosed.