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Task # 001.A Highwall Backfill Volume Estimate <br /> PROJECT: Hale Pit a.k.a. Earl's Pit <br /> PERMIT No.: M-1981-121 LEGEND <br /> HIGHWALL LOCATION: 1H:1V Highwalls Input <br /> Result <br /> Highwall Length = I 1432 ft <br /> Backfill Volume per <br /> unit Length = 100 ft2 <br /> 1 <br /> Total Backfill Vol. = 143,200 ft3 <br /> Estimated 1.0 OR 5,304 CY <br /> Average <br /> Highwall Reclaimed Grade <br /> Height= 10 ft Existing or 32 ft slope length <br /> Mined Slope surface <br /> Grade area 45,284 ft2 <br /> 1.0 OR 1.04 Acres <br /> 3.0 <br /> 10ft 20ft <br /> HIGHWALL BACKFILL VOLUME ESTIMATE <br /> C:\Users\tc1\Documents\Projects\_El Paso\M-81-121 Hale Pit\Inspections\HighwallRecl.xlsx//Backfill 1 to 1 Highwalls <br />