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i • The Sunnyside Mine is an active mine and as such, many of the historic features at the mine portal and throughout Eureka Gulch have been damaged, destroyed, or "reconstructed" to allow mining to continue. The Sunnyside Mine portal area is littered with considerable historic trash, but no structures remain standing, and the historical integrity has been severely compromised by ongoing mine operations. The associated mine, Terry's T~innel, has likewise been severely damaged by recent mining. They Sunnyside Mill site lies on a steep slope. The superstructure is no longer intact, and the foundation rubble is all that remains. The Midway Mill and portion of the tram tower system for about X mile either side of the Midway Mill are the cnly historical features with any structural integrity. With the exception of several of the tram towers, all the features just discussed lie on patented surface and are not under the jurisdiction of BLM. A further description of the area can be found in the San JuanJSan Miguel Resource Management Plan (BLM 1985). IV. Environmental Conse4uences A. Proposed Action Upgrading of the existing road would be expected to displace soil, disturb vegetation, and result in wildlife harassment (a11 species present); loss of habitat due to the proposed action should be negligible. Also, tourist traffic would probably increase due to the wider, "more inviting" road surface, with a corresponding rise in littering and the incidence of vehicle accidents on the county road. These impacts would be greater during the periods of initial construction (spring of 1988! or major maintenance, and during the summer tourist season ea~:h year. When Sunnyside no longer needs the increased road w~.dth and is no longer hauling ore, the road Will be returned to its prior width and the impacts should drop. Cultural resources on sites have been inventoried by a BLM-permitted archaeologist; refer to the cultural resource memoranda included in the subject casefile and on file at the San Juan Resource Area Office for particulars. The applicant's proposed action has been modified in response to concerns raised by the State Historic Preservation Office (SHPO) regarding possible impacts to cultural resources present on patented Lands adjacent to the existing road. Because of these modificati~~ns and special stipulations xhich are recommended to be included in the subject R!N grant, cultural resources should be adequately protected from adverse impacts.