The Spillway

Detailed Description
The Garrison Dam Spillway will all 28 gates open, releasing 150,000 cfs on June 23, 2011.
Photo taken by USGS personnel on a Civil Air Patrol flight.
Sources/Usage
Public Domain.
The Garrison Dam Spillway will all 28 gates open, releasing 150,000 cfs on June 23, 2011.
Photo taken by USGS personnel on a Civil Air Patrol flight.
Public Domain.