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LEGEND <br />• Slides - Shannon & Wilson Report 2007 <br />Streets <br />—I-4 Railroads <br />Rivers & Streams <br />10 Foot Contour <br />Slide Density <br />Number of Slides (1933 - 2006) <br />- " 1 <br />_ 2-5 <br />8-10 <br />_ 10-20 <br />- >20 <br />24K Geology <br />Holocene <br />ml - modified land <br />Ols - landslide deposits <br />Dye! - younger alluvium <br />Pleistocene <br />Other <br />Qog - Olympia gravel (pre -Fraser glaciation) <br />Qpd - Possesion Drift (pre -Fraser glaciation) <br />Otb - transitional beds (Fraser glaciation to pre -Fraser glaciation) <br />Ova - advance outwash (Vashon Drift, Fraser glaciation) <br />. ON - till (Vashon Drift, Fraser glaciation) <br />Qw - Whidbey Formation (Pre -Fraser glaciation) <br />ern -water <br />24k Geology: <br />Minard, J. P, 1983, Geologic map of the Edmonds East and part of the <br />Edmonds West quadrangles, Washington: U.S. Geological Survey <br />Miscellaneous Field Studies Map MF-1541, 1 sheet, scale 1:24,000, <br />fhttp://ngnrdb.usgs.gov/Prodesc/proddesc 7448. htm] <br />Minard, J. P, 1982, Distribution and description of geologic units in the <br />Mukilteo quadrangle, Washington: U.S. Geological Survey Miscellaneous <br />Field Studies Map MF-1438, 1 sheet, scale 1:24,000. <br />FEET <br />0 125 250 500 750 1,000 <br />1:6,000 <br />FIGURE: <br />BNSF Railroad <br />Landslide Investigation <br />Washington State Department of Transportation <br />_._GEOTECHNICAL OFFICE <br />PREPARED BY Racy Toole DATE September30 2013 <br />