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r? <br />LJ <br />Figure MP-5 <br />Bench Instability Development Process <br />?- o <br />? 9?na?S <br />4tc7CL, Bedding Planes <br />West 4 <br />• <br />• <br />Bedding planes parallel to dip. <br />Tilted at about 30-35 degrees by <br />mountain uplift to west. <br />Bench ' <br />Bench <br />Bench <br />New benches cut across the bedding planes <br />of the formation. This exposes the bedding planes <br />to rapid weathering. <br /> <br />Fallen pieces of benches <br />Bench surface decays to a slope due to weathering <br />along bedding planes. <br />Protection from weathering should reduce decay. <br />NOTE: FIGURE MP-5 FROM 1994 RECLAMATION PLAN AMENDMENT <br />TRANSIT MIX AGGREGATES <br />PIKEVIEW QUARRY SLOPE <br />CTLIT PROJECT NO. CS17341-125 <br />S:ICS17000-174991CS17341.0 0 011 2 512. REPORTSICS17341-125_CADD_FIGS.DWG <br />1994 PLAN <br />AMENDMENT <br /> <br />FIG. 6