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2005 Substdenco and Geologic Feld Obsorvatwns <br />Box Canyon. West Flatuon, Apache Rocks. <br />and South of Diwdo Mining Areas <br />Rgure 17. Vertwal aerial photograph of Minnesota Rosarvov and the surrounding area {200a West Elk <br />Color Aerial Photo Number 23) A large landslide is located south of the reservoir (foreground), Smaller <br />landslides are also located north, and west of the reservoir. The shear zone (the linear, lighter green zone <br />oast o1 and parallel to the axis of the dam) and the part of the slide to the east, north of Iho arcuate zone. <br />(lighter green) appears to bean agivo during this last 20 years, and also was active belore chat during the <br />last 42 years-based on a comparison with a 1963 USGS high altitude photo of the same area). <br />5.1.1 Location 16 <br />Lrxalion 16 is the lo~~er scarp area where tensum cracks as nweh as I to I.> Icet wide arc <br />locutod. Thr GPJ Axation is 2S5,71Hm E, 4,311G.31~1m N (117:1. \:\I) It)R3, cinac of error, G-9 <br />mj <br />"1"hc: shear umr, which is less visihlc than nt:ar Iwtnl Q. appcan noticeably younger to the July <br />1963 USGS photos than it dtxa in PtLUre 17. Ovcrhurdcn depth to the f Seam is about 325 feet. <br />5.1.2 Location 17 <br />L.rwauun 17 is a landslide scarp 2U feet south of a small pond. 'I'hc Ixmd is in a depression in a <br />hack•rutatcd slump hlcxk (higurc IR). The GPS Icxation is _'35,717m E. a,30(t,271m \' (UT~1. <br />NAD 19}i3, circle ul en•or: 3 to 6 m) <br />831.032.710 Wright Walor Engineers. Int. Page 37 <br />Novomber2005 <br />