FortPeckDam.com

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Gallery > Photo Display
Date 2000-04-05
Contributor Rafe Sigmundstad
Photographer Rafe Sigmundstad
Location Powerhouse
Description Looking down into surge tank. The surge tanks are what make the powerhouses so tall. They are huge empty tanks that absorb the surge of water that occurs when a tunnel is closed off, and a mile of rushing water needs somewhere to go.
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