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<br /> <br />Soil Investigations for Data Collection in the Delta <br />Initial Study/Proposed Mitigated Negative Declaration 195 <br />impacts to tribal cultural resources and potential tribal cultural resources within the study <br />area. <br />3.18.2 Discussion <br />Would the Proposed Project cause a substantial adverse change in the <br />significance of a tribal cultural resource, defined in Public Resources Code <br />section 21074 as either a site, feature, place, cultural landscape that is <br />geographically defined in terms of the size and scope of the landscape, sacred <br />place, or object with cultural value to a California Native American tribe, and that <br />is? <br />a) Listed or eligible for listing in the California Register of Historical Resources, or in a <br />local register of historical resources as defined in Public Resources Code 5020.1 (k), <br />or <br />b) A resource determined by the lead agency, in its discretion and supported by <br />substantial evidence, to be significant pursuant to criteria set forth in subdivision (c) <br />of Public Resources Code Section 5024.1. In applying the criteria set forth in <br />subdivision (c) of Public Resources Code Section 5024.1, the lead agency shall <br />consider the significance of the resource to a California Native American tribe. <br />Less than Significant with Mitigation Incorporated. The primary challenge for tribal <br />cultural resources within the study area is that, though we have some information <br />regarding the location of potential tribal cultural resources and know the study area <br />is within a region highly sensitive for them, there has not been survey coverage to <br />substantiate their locations. The subsurface footprint of the Impact Areas for CPTs <br />and boring locations is minimal, but the potential for disturbances on the surface due <br />to staging and activity related to set up on the surface for each location is higher. If <br />possible, any impacts to any tribal cultural resources as defined above should be <br />avoided. MM-CUL-1 has thus been designed to help avoid any project activities <br />occurring on or in close proximity to any potential tribal cultural resources that are <br />identifiable on the surface, with the goal of avoiding both the surface deposit and <br />providing a buffer to help avoid areas with high likelihood of subsurface deposits. <br />MM-CUL-2 and MM-CUL-3 are established for the unlikely event that previously <br />unidentified subsurface deposits are discovered. As discussed in section 3.18.1.2, <br />the risk for significant impact to tribal cultural resources and potential tribal cultural <br />resources is extremely low due to the size of the boreholes, core samples, and <br />CPTs, and the way these activities are conducted. However, to ensure that in <br />moments where resources from the subsurface soils with potential cultural sensitivity <br />are analyzed or visually examinable, MM-CUL-4 (Cultural Sensitivity Training) is in <br />place to ensure those with stop work authority or those conducting analysis will be <br />able to stop and implement MM-CUL-2 and/or MM-CUL-3 as appropriate.