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and are reasonably certain to continue on the adjacent private lands. This project would result in a <br />moderate disturbance in a small area. The proposed action will likely cause a slight negative impact to <br />migratory birds when viewed in conjunction with activities currently occurring and reasonably certain <br />to occur on adjacent private lands. However, the impact will be minimal when viewed at a landscape <br />scale. <br />Mitigation/Residual Effects: The BLM is required by the Migratory Bird Treaty Act to <br />minimized take of migratory birds, including individual birds, active nests, and/or eggs. The proposed <br />action will not likely take adult birds, but vegetation disturbance during the nesting season could take <br />nests or eggs of ground nesting birds. Therefore, the area that will likely be disturbed during the <br />nesting season (May 15 -July 15) must have vegetation removed prior to May 15 to discourage nest <br />initiation of ground nesting birds. <br />No Action Alternative <br />Direct and Indirect Impacts: None <br />Cumulative Impacts: None <br />Mitigation/Residual Effects: None <br />Alternative 1 <br />Direct and Indirect Impacts: Same as the proposed action. <br />Cumulative Impacts: Same as the proposed action <br />Mitigation/Residual Effects: Same as the proposed action. <br />HERITAGE RESOURCES AND HUMAN ENVIRONMENT <br />CULTURAL RESOURCES <br />Affected Environment: A single site, 5PA4410, was recorded during the cultural resources inventory <br />of the area of potential effect [Report CR- RG -10 -33 (P)]. At the time of the recording, the site was <br />believed to be eligible for the National Register of Historic Places for its potential to yield information <br />important to history. However, limited testing of the site revealed an absence of intact subsurface <br />deposits. Results of extensive surface recording by experts in historic archaeology also indicated that <br />the function and ethnic affiliation of the associated population originally assigned to the site were not <br />accurate. Therefore, the BLM changed the determination of eligibility for Site 5PA4410 to not eligible <br />for the NRHP. The letter BLM sent to the SHPO regarding this is in Appendix 3. A final <br />determination of no historic properties affected, was made. <br />TRIBAL AND NATIVE AMERICAN RELIGIOUS CONCERNS <br />Affected Environment: The mountains of Colorado were inhabited by numerous tribes throughout <br />history. Because of their nomadic cultures, however, mountain populations generally left little <br />evidence of habitation or traditional cultural properties. The area of potential effect was subjected to a <br />37 <br />