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CHAPTER FOUR Impacts from Transportation and Access. Acquisition of public access into six areas would increase recreational visitor use and would permit access to more public lands for recreational activities such as hunting, sightseeing and OHV use. Impacts from Acquisition of Non-Federal Lands. The acquisition of inholdings and lands with significant recreation resources would expand recreational opportunities and would eliminate potential private development. CUMULATIVE IMPACTS ON RECREATION MANAGEMENT Improved recreation facilities and development of additional campgrounds would increase the number of visitors to this areas by an estimated 30% over the life of this plan. About 54,620 fewer acres would be open to OHV use, 14,389 more acres would be closed to OHV use, 5,288 more acres would have OHV traffic limited seasonally, and 34,943 more acres would have OHV traffic limited to designated routes yearlong. These changes in OHV designations would result in fewer acres being accessible to OHV users. Opportunities for solitude would increase on these affected lands, however. IMPACTS ON OUTSTANDINGLY REMARKABLE SCENIC VALUES IN SEGMENT A, LAKE FORK OF THE GUNNISON RIVER WILD AND SCENIC RIVER STUDY CORRIDOR IMPACTS FROM PROPOSED MANAGEMENT ACTIONS Impacts from the Recommendation. In this alternative, the 133 mile Segment A of the Lake Fork of the Gunnison River from Sloan Lake to Wager Gulch WOULD BE RECOMMENDED as being preliminarily suitable for inclusion into the National Wild and Scenic Rivers System (NWSRS). The resultant potential and significant impacts to the outstandingly remarkable scenic values (values) that qualify this segment to be eligible for inclusion are discussed below. Interim management in Alternative D would protect values from all discretionary actions that might result in adverse impacts that could cause these values not to be present at the time Congress decides upon designation or non-designation. If eventually designated into the NWSRS by Congress, the segment would be recognized and managed under the "recreation" classification (assuming this classification would be adopted in designation legislation). Management actions would be developed to address permanent river management needs, and would be incorporated into the plan for the Alpine Triangle SRMA or a separate plan for the segment. Impacts (rom Locatable Minerals Management. If mineral activity occurs on about 2,075 acres not currently withdrawn or proposed to be withdrawn within the segment in this alternative, values would be altered. The alteration would occur on lands located outside the existing "Loop Road" withdrawal C- 0125423 or the proposed American Basin ACEC (proposed to also be withdrawn). Impacts would be greatest if vegetation removal or land form changes occur. The lands that would not be withdrawn have a high potential for the occurrence of locatable minerals. Required reclamation would limit impacts to the short-term. Impacts from Wildlife Habitat Management. Eliminating domestic sheep grazing in Units 0-17 and 0-20 to enhance wildlife habitat would in turn result in a more naturally appearing landscape on 2,720 acres or about 8.9 miles of public land. Impacts from Recreation Management. Increased visitation over the life of the plan of about 30% under this alternative (same as in Alternative A, Continuation of Current Management) would result in some slightly greater impacts to scenic values along the road and river, primarily as a result of physical impacts caused by increased numbers of people and motorized vehicular use off designated routes, and the actual increase in the presence of vehicles and people. Scenic impacts from OHV use off designated routes would be mitigated by implementing patrols and other actions in the management plan for the Alpine Triangle Special Recreation Management Ares (SRMA), and the proposed American Basin ACEC. Eliminating livestock grazing in Unit D-8 for enhancement of recreation and scenic resources would result in the scenic quality being more naturally appearing on 1,552 acres or about 1.8 miles of public land. 4-52