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GeoTest Services, Inc. April 12, 2019 <br /> 4320 Thomson Avenue, Everett, WA Project No.19-0050 <br /> limo iminim <br /> Fes`;�' Me/ ti A. it <br /> , � <br /> ,ni 4 i � a . _,, '� ,� <br /> . <br /> Y. <br /> - P2 , <br /> 01111117.:1•., ._ . ..1 , ,,,, / i 1 _i ..._ . <br /> Ja # <br /> • <br /> •� 46r ' r P y i <br /> Image 3:2009 Aerial Photo. Taken from <br /> 11Google Earth. <br /> The 1990 aerial photo (Image 2) appears to indicate that land use within the subject <br /> and adjacent properties has remained relatively unchanged within the last 28 years. <br /> Since 1990, new single-family residences have been constructed upslope from the <br /> subject property, and some vegetation has been removed from the slope. <br /> There does not appear to be any noticeable signs of large-scale "global" instability on <br /> or just west of the subject property, as observed in the reviewed aerial photos <br /> spanning 28 years. Please note that the aerial photos may not fully depict actual <br /> surface conditions due to the tree canopy and/or other vegetation possibly obscuring <br /> the ground surface. <br /> Bare Earth Imagery Review <br /> GTS reviewed bare earth imagery of the site vicinity, subject property, and slope. <br /> Based on a review of this imagery, there does not appear to be any visible indications <br /> of tension cracks or large-scale head scarps associated with slope instability. Outside <br /> of the general topographic profile of the slope, no signs of large scale "global" <br /> instability on the subject property were observed in our bare earth imagery review. <br /> Please note that not all signs of slope instability can be observed in the bare earth <br /> imagery review due to imagery resolution and scale. In addition,any signs of instability <br /> on the site slopes that have occurred within the last-5 years, if present, have occurred <br /> after original imagery acquisition. <br /> 5 <br />