1983-09-01_PERMIT FILE - C1981017

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a portion of the disturbed area to facilitate construction of a ski area. The majority of the area needed for the ski area is presently undisturbed by the mining operations. This post mine land use is an alternative proposed by the applicant and has not been approved by the regulatory authority and/or the surface managing agency. More information on the ski area can be found in chapter 7 of the applicant's the mining and reclamation Plan. The applicant plans to reclaim the disturbed areas to post-mining land uses of rangeland, watershed, wildlife habitat, and recreation which are consistent with the pre-mining land uses. Cultural Resource The cultural resources inventory (Powers Elevation 1980) conducted at Coal Basin identified only one historic site (Coal Basin Townsite) which appears to be eligible for listing on the National Register of Historic Places. Although a portion of the townsite was destroyed in 1974 when the Coal Basin mine was reopened, future plans will not have any adverse effect on the site. The eligibility criteria (36 CFR 60.6) was applied to the townsite and it was found that the site was potentially eligible under criteria A, B and D. The applicant has fully complied with the necessary requirements. OSM has forwarded recommendations pursuant to 36 CRF 800 for site eligibility and a request for a "No Effect" determination to the Colorado State Historic Preservation Officer on March 6, 1981. The Colorado State Historic Preservation Officer concurred with the recommendations of site eligibility, "No Effect" determination and OSM's proposed stipulations on March 18, 1981. OSM has subsequently forwarded documentation to the Keeper of the National Register of Historic Places seeking an official Determination of Eligibility pursuant to 36 CFR 63.3. Therefore, OSM has complied with the necessary procedures required by Section 106 of the National Historic Preservation Act and its implementing procedures 36 CFR Part 800. Known and unknown cultural resources located in the vicinity may be impacted by mining activities as a result of increased population in the area. There may be increased vandalism and unauthorized collections associated with recreational activities. Surface Water The headwaters of Muddy Creek will be undermined by Mid-Continent. The underground workings at that point will be over 2,000 feet below the ground surface. Subsidence impacts are projected to be small, therefore, no surface water monitoring is required for this area. In addition, most of the small tributaries are ephemeral, running only during snowmelt when access to the area is very difficult due to the deep snowpack. The primary stream in Coal Basin is Coal Creek, a perennial stream, which is tributary to the Crystal River. This stream drains an area of approximately 26.6 square miles. The streams tributary to Coal Creek whose upper drainages originate in the mine lease area are, in clockwise direction around the basin starting from the lower end, Bear Creek, South -8-