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<br />In general, on a low to high perturbation scale of 0 to 10, we <br />estimate impact to be 0 to 1. <br />(5) PEREGRINE FALCON (Falco peregrinus) <br />The peregrine falcon has been the object of much research and <br />has had considerable time, effort and money invested in programs <br />to not only promote understanding of its basic biology and <br />habitat requirements, but to re-establish breeding populations <br />in areas once occupied. In view of this xorldwide concern for <br />the peregrine, detailed cliff searches were conducted by Clayton <br />M. White, world authority on peregrine falcons and a member of <br />the peregrine falcon recovery team, in the area of potential <br />• impact to determine the status of the species. Additional <br />observations were made of potential hunting territories. There <br />were no sitings nor signs of peregrines in the area of interest, <br />but there are two known peregrine nesting areas north of the <br />potential area of impact. On site work with Clayton M. White <br />and conversations with Steve Platt, hoxever, assured us that the <br />known peregrines using the Dinosaur National Monument area to <br />the north would not be impacted by the proposed construction and <br />operation of the mine and its attendant facilities. <br />In general, on a low to high perturbation scale of 0 to 10, we <br />estimate the impact on peregrines to be 0. <br />• <br />II.H-94 <br />