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CHAPTER IINTRODUCTION Section Page 1 General
Description of the Equalizing reservoir
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axis backfill basalt bedrock blasting borrow pit bulldozer canal lining channel check structure chute cleanup Columbia Basin project Columbia River common excavation compacted completed concrete construction Coulee City Coulee Dam crest road cubic yards cut-and-cover conduit cutoff trench cutoff wall footing dam embankment dam foundation Delano saddle depth disposal area downstream dragline drainage drains drilling Dry Falls Dam dump trucks East Coulee elevation equipment Extra work order Feeder canal fill forms grade Grand Coulee Dam granite grouting guardrail headworks structure highway holes impervious impervious core inches installed invert layers lift located Main canal moisture Monocline north abutment North Dam operations order for changes outlet parking area piezometer pipe placed pump radial gates reservoir water riprap rock excavation rockfill rollers sand and gravel shovel silt soil south abutment station stockpiled subgrade surface tamping tion unwatering Upper Grand Coulee upstream wasteway zone 1 embankment zone 2 material