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U.S. ARMY COPS OF ENGINEERS Howard Hanson Dam Update PowerPoint PPT Presentation


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U.S. ARMY COPS OF ENGINEERS Howard Hanson Dam Update. Green River Watershed. Normal Project Operations. NOV. MAR. JUN. NOV. 1206 ft. Potential flood pools of short duration. Spring ramp-up for augmentation. Summer and fall flow augmentation. 1167 ft. 1075 ft.

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U.S. ARMY COPS OF ENGINEERS Howard Hanson Dam Update

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U.S. ARMY COPS OF ENGINEERS

Howard Hanson Dam Update


Green river watershed l.jpg

Green River Watershed


Normal project operations l.jpg

Normal Project Operations

NOV

MAR

JUN

NOV

1206 ft

Potential flood pools of short duration

Spring ramp-up for augmentation

Summer and fall flow augmentation

1167 ft

1075 ft

Pool elevation in feet above sea level


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Landslide Debris

Green River

Underground Drainage

Tunnel

Grout Curtain

Spillway

Right Abutment

Dam Embankment

Eagle Gorge Reservoir


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