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20Ca Gec'oui~ 'iazard Field Observations <br />Sc..;h n( Divide Mining Area <br />• 8.1.2 Aerial Photo Observations of Landslides North and South of Minnesota <br />Reservoir <br />The USGS aerial photos (dated July 2H. 1963) show the extent of two landslides located <br />nonh of Minnesota 2esen~uir (Figures 2 and ?) and a large landslide, which consists of <br />ditTerent types and ages of movement, is located south tit' ~4innesota Reservoir (Figures 4 and <br />5 ), <br />• <br />Figure 4. Vertical aenal photograph of Minnesota Reservoir, landslides north and south of the reservoir, <br />and rocktal) areas on the steeper slopes m the area (USGS photo). This black and white image shows (1) <br />a large IanCslide due south of the dam, (2) a shear zone (white Linear feature) south, and parallel lo, the <br />axis o1 the dam, (3) a tongue-Uke debns Itow and mudflow In the Dry Fork drainage north of (north is up in <br />image) the Dry Fork road (1963 USGS Photo VADR, Number 1-53). <br />-st-032.621 Wright Water Engineers, Inc. <br />November 2004 <br />Page 22 <br />