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Vantage to Pomona Heights Chapter 4 230 kV Transmission Line Project FEIS Environmental Consequences PAGE 4-265 FEIS to be not eligible to the National Register) and 37 lithic scatters and sites described as “lithic material” with no other features. These sites are unevaluated and are assumed to be eligible to the National Register. Other prehistoric archaeological sites in or near this one square mile section contain pits (2) rock cairns and alignments (10), rockshelters, house pit depressions, and lithic procurement and quarry areas. If similar site densities are found elsewhere in the Saddle Mountains, there could be a density of one potentially eligible cultural resource for every 12 acres of ROW corridor (or approximately one eligible site every 0.7 mile along this route segment). Physical Impacts Short-term and long-term ground disturbance along this route segment would total 121.8 acres. Approximately 67.0 percent of the land within 75 feet of the Route Segment 3c centerline has been surveyed for cultural resources and 11 archaeological resources have been recorded. Prehistoric sites consist of lithic scatters, rock cairns, and talus pits. The historic-period Hanford Grade of the C, M, SP, & P Railroad runs along the Columbia River within 75 feet of the route segment centerline. There is one architectural resource within 75 feet of the route segment centerline, the Midway to Vantage No. 1 Transmission Line. There would be no physical impacts to architectural resources. Given the extent of cultivated land and the density of cultural resources in the Saddle Mountains described above, physical impacts of Route Segment 3c would be moderate to high. Visual Impacts Approximately 24.0 percent of land within 250 feet of the route center centerline has been surveyed for cultural resources and 29 archaeological resources have been recorded. These include prehistoric lithic scatters, cairns, and talus pits, with most not being visually sensitive. The historic resources include a trash scatter and the Hanford Grade of the C, M, SP, & P Railroad. There is one architectural resource, the Midway to Vantage No. 1 Transmission Line. None of the historic-period cultural resources are visually sensitive. Overall, visual impacts of Route Segment 3c on cultural resources would be moderate. Native American Concerns The YNCRP has reported that several resources of special concern are located along Route Segment 3c (Lally and Camuso 2011). Route Segment 3c crosses several TCPs of concern. The portion of the route segment crossing Lower Crab Creek is of particular concern. The YNCRP opposes the portion of Route Segment 3c that crosses Lower Crab Creek. Therefore, impacts to resources of concern to Native Americans by Route Segment 3c is considered high. 4.11.4.11 Route Segment NNR-2 Route Segment NNR-2 is 5.1 miles long. All of the land crossed by the route segment is on JBLM YTC and all the land within 250 feet of the route segment centerline has been surveyed for cultural resources. Physical Impacts The total amount of land within 75 feet of the route segment centerline is 92 acres. Short-term and long- term ground disturbance along this route segment would total 24.8 acres. All the land within 75 feet of the centerline of Route Segment NNR-2 has been surveyed and there are no recorded archaeological or architectural resources within 75 feet of the route segment centerline. If undiscovered archaeological resources exist along Route Segment NNR-2, they would most likely be along drainages.