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GeoTest Services, Inc. April 12, 2019 <br />4320 Thomson Avenue, Everett, WA Project No.19-0050 <br />Table 1 <br />USDA Web Soil Survey Soil Classifications <br />Map Unit Symbol <br />3 <br />Map Unit Name <br />Alderwood gravelly sandy loam, 15 to 30 percent slopes <br />Soil Description <br />Very gravelly sandy loam <br />Landform <br />Ridges, hills <br />Parent Material <br />Glacial drift and/or glacial outwash over dense glaciomarine <br />deposits <br />Land Capability <br />4e <br />Classification <br />Erosion K Factor, <br />0.10 <br />Whole Soil <br />Aerial Photo Review <br />GTS reviewed historic and recent aerial photos of the subject property from 1990 to <br />2017 in order to help determine if there has been any recent significant slide activity <br />within the vicinity of the project site. Aerial photos were obtained from Google Earth <br />and the Snohomish County PDS Map Portal. <br />i <br />a� <br />t7 <br />Image 2: 1990 Aerial Photo. Taken from Google Earth. <br />4(M <br />4 <br />