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AUGUSTIN BERNAL MOUNTAIN BIKE TRAIL PROJECT DRAFT INITIAL STUDY discovered through the Northwest Information Center records search, pedestrian survey of the project site, or NAHC Sacred Lands File search and subsequent tribal outreach (Appendix C). Construction of the project has a low potential for encountering unknown buried human remains based on the research findings above. However, the potential to encounter human remains still exists during ground-moving construction activities. As such, implementation of MM-CUL-2 is required to ensure that potential impacts would be less than significant by providing standard procedures in the event that human remains are encountered during project construction. Therefore, impacts would be less than significant with mitigation incorporated. Mitigation Measures MM-CUL-1 Treatment of Unanticipated Cultural Resources.To ensure that there will be no impacts to unanticipated cultural resources, the City or its contractors shall retain a qualified archaeologist to prepare Worker Environmental Awareness Training materials which shall be provided to all construction personnel prior to initiation of construction activities.This shall include notifying construction crew members of the potential to encounter archaeological material and how to recognize such material. In the unlikely event that cultural resources(sites,features,or artifacts)are exposed during construction activities, all construction work occurring within 100 feet of the find shall immediately stop and the City contacted. A qualified specialist, meeting the Secretary of the Interior's Professional Qualification Standards, shall be assigned to review the unanticipated find, and evaluation efforts of this resource for NRHP and CRHR listing will be initiated in consultation with the City. Prehistoric archaeological deposits may be indicated by the presence of discolored or dark soil,fire-affected material, concentrations of fragmented or whole freshwater bivalves shell, burned or complete bone, non-local lithic materials, or the characteristic observed to be atypical of the surrounding area. Common prehistoric artifacts may include modified or battered lithic materials; lithic or bone tools that appeared to have been used for chopping, drilling, or grinding; projectile points;fired clay ceramics or non-functional items; and other items. Historic-age deposits are often indicated by the presence of glass bottles and shards, ceramic material, building or domestic refuse, ferrous metal, or old features such as concrete foundations or privies. Depending upon the significance of the find,the archaeologist may simply record the find and allow work to continue. If the discovery proves significant under CEQA/NRHP, additional work,such as preparation of an archaeological treatment plan,testing, or data recovery may be warranted. If the City determines that the potential resource appears to be a tribal cultural resource (as defined by PRC Section 21074), any affected tribe would be provided a reasonable period of time to conduct a site visit and make recommendations regarding future ground disturbance activities as well as the treatment and disposition of any discovered tribal cultural resources.Depending on the nature of the potential resource and Tribal recommendations, review by a qualified archaeologist may be required. Implementation of proposed recommendations shall be made based on the determination by the City that the approach is reasonable and feasible.All activities shall be conducted in accordance with regulatory requirements. 12956 DUDEK 48 April 2022