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n• <br /> • MINIMUM FACTOR OF SAFETY <br /> 140 (Typical Cross-Section - KRC Aggregates, Inc.) <br /> 130— <br /> a . . . • <br /> 120 1 . 626 <br /> 110 `�'� <br /> . . r,.�/ <br /> 100 , . . . . <br /> 90 . • • • <br /> Minimum failure Surface I' <br /> Overburden <br /> (Phi 20 degrees Cohesion 400 psf) <br /> 70 <br /> 00 ^�"� 3 £ W <br /> - <br /> �$e E <br /> negate Resp <br /> � . � �(PhG 3�de rees Coh ipn 500 psf) _ � <br /> 50 <br /> 4J on-150 psf) � ._..$ ...E <br /> O __ .. .. <br /> C. 40 <br /> � L <br /> U) <br /> Q 30 <br /> 20 <br /> N <br /> > 10 <br /> -10 0 10 20 30 40 50 50 70 BO 90 100 110 120 130 140 150 150 170 180 190 <br /> Horizontal Distance (ft) <br />