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Vantage to Pomona Heights Chapter 3 230 kV Transmission Line Project FEIS Affected Environment PAGE 3-11 Table 3.2-3 Total Amount of Federal And WSDOT Land Surveyed Compared with the Total Amount of Land Present within the 150-Foot Survey Corridor1 ROUTE SEGMENT TOTAL ACRES FEDERAL AND WSDOT LAND WITHIN 150-FT SURVEY CORRIDOR NON-FEDERAL/WSDOT LAND WITHIN SURVEY CORRIDOR (ACRES) TOTAL PERCENT OF SURVEY CORRIDOR COMPLETED (FEDERAL/WSDOT AND NON-FEDERAL LAND) TOTAL ACRES AMOUNT SURVEYED (ACRES AND %) 1a/NNR-1 44.1 0 0 (100%) 44.1 0% 1b 243.8 241.9 138.2 (57%) 1.9 57% 1c 251.3 1.7 1.7 (100%) 249.6 1% 2a 19.3 0 0 (100%) 19.3 0% 2b 317.5 50.6 43 (85%) 266.9 14% 2c 351.7 0.2 0.1 (50%) 351.5 <1% 2d 137.0 19.7 19.7 (100%) 117.3 14% 3a 3.3 0 0 (100%) 3.3 0% 3b 422.1 171.5 61.1 (36%) 250.6 14% 3c 489.7 181.0 179.8 (99%) 308.7 37% NNR-2 92.7 90.5 79.7 (88.1%) 2.2 86.0% NNR-3 168.6 77.6 33.6 (43.4%) 91.1 20.0% NNR-4 82.5 60.6 26.3 (43.3%) 21.9 31.8% NNR-5 32.4 32.4 29.6 (91.5%) 0 91.5% NNR-6 117.1 117.1 0 (0%) 0 0% NNR-7 149.6 149.6 2.4 (1.6%) 0 1.6% NNR-8 49.9 32.6 30.3 (93.1%) 17.4 60.7% MR-1 215.5 120.3 0.5 (0.4%) 63.6 0.2% 1 The total area surveyed was originally greater than shown here due to route adjustments after the survey were completed. No federally listed plant species are known to occur within the Project study area; however, four additional plant species listed as Endangered, Threatened, or Candidate are suspected to occur within the Project study area. Critical Habitat for Umtanum desert buckwheat (Eriogonum codium), which was designated in December 2013, is located 1.5 miles from Route Segment 3c, but is not in the Project study area (USFWS 2013a). More information on these species is provided in Table 3.2-4. No plant species within the Project study area (Benton, Grant, Kittitas, and Yakima counties) are proposed for listing under the ESA. No other proposed or designated Critical Habitat is present within or adjacent to the Project study area (USFWS 2012, 2013b, 2013c, 2015). Of the five species listed as Endangered, Threatened, or Candidate that are suspected to occur or known to occur in the Project study area, none were located during the surveys (Appendix B-3 Special Status Plants Reports). In addition to federally listed plant species, thirty-one Washington state-listed and BLM Sensitive plant species are known to occur within the Project study area. Table 3.2-5 presents a summary of these species and the location of the closest route segment. Five special status plant species were located during the special status plant surveys: Columbia milkvetch (Astragalus columbianus), Hoover’s desert-parsley (Lomatium tuberosum), Nuttall’s sandwort (Minuartia nuttallii var. fragilis), pauper milkvetch (Astragalus misellus var. pauper), and snowball cactus (Pediocactus nigrispinus). All occurrences were located during the May 2011 and 2013 surveys, but some were confirmed and expanded during the June 2011/July 2013 surveys (Appendix B-3 Special Status Plants Reports). One Wormskiold’s northern wormwood (Artemisia campestris ssp. borealis var. wormskioldii) WNHP occurrence is documented within one mile of Route Segments 3b and 3c. Wormskiold’s northern wormwood was previously considered a candidate species for listing under the ESA. However, the USFWS found that listing the species as endangered or threatened was not warranted throughout all or a significant portion of its range (81 Federal Register 64843 – 64857). Information on these species is presented in Table 3.2-5 and discussed in more detail below.