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CHAPTERTHREE Pipeline Corridor Federal Endangered or Threatened Species Enulronmenial Conse4nences Peregrine Falcon. Effects associated with pipeline construction and maintenance under Ute Agency Preferred Alternative aze expected to be less than under the Proposed Action. Under the Proposed Action, suitable peregrine falcon nesting habitat neaz Davis Point was not surveyed in 1998. Under the Agency Preferred Action, this azea would be surveyed prior to the initiation of any field activities. The Wildlife Mitigation Plan (Appendix I) identifies measures designed to limit impacts associated wiUt the Agency Preferred Alternative, including No Surface Occupancy and timing limitations around active nest sites. Parachute Penstemon and Uinta Basin Hookless Cactus Potential impacts to these two species would be reduced, compared with the Proposed Action, because the Agency Preferred Alternative includes a requirement that American Soda would conduct botanical cleazance surveys on previously unsurveyed portions of the pipeline corridor (mileposts 32 to 35). If listed species aze encountered, American Soda would consult with BLM regarding avoidance or mitigation. With these mitigation measures, the Agency Preferred Alternative would have no adverse effect on Pazachute penstemon or Uinta Basin hookless cactus. Bald Eagle, Whooping Crane, and Other Endangered or Threatened Species. The potential effects to these other endangered or threatened species under the Agency Preferred Alternative would be the same as those described for the Proposed Action. Other Special Status Specres Sage Grouse. Impacts to sage grouse would be less under the Agency Preferred Alternative than under the Proposed Action. Within the sage grouse treatment azea (8 miles of corridor), no construction activities would occur from June 1 through July 1. American Soda, through consultation with the CDOW, would provide up to 300 acres of mechanical brush controUtreatment to enhance sage grouse habitat. Re-seeding of disturbed habitat would be accomplished using species desirable to sage grouse. Any waste rock would be arranged so that sage grouse movement would not be impeded and so that vantage points for predators would not be artificially created. Spot application of herbicides would be used to remove noxious weeds. Sensitive and Rare Plant Species. Potential impacts to sensitive and rare plant species would be reduced compared with the Proposed Action because the Agency Preferred Alternative includes a requirement that American Soda would conduct botanical clearance surveys on previously unsurveyed portions of the pipeline corridor. American Soda would consult with the BLM if sensitive plant species aze found. Other Species. The Draft EIS addressed potential effects to sandhill cranes, northern goshawks, Colorado River cutthroat trout, reptiles, amphibians, and other special status species. Potential effects to these other species under the Agency Preferred Alternative would be the same as those described for the Proposed Action. Thratened and Endangen;d Species 3-] 7