Breaching the temporary cofferdam (Marmot Dam removal)

Sandy River (Oregon)...

Detailed Description

Breaching of the temporary cofferdam standing in place of Marmot Dam on October 19, 2007. View is from the headgate house along the canal that diverted water around the dam as part of the Portland General Electric Bull Run Hydropower Project.


Image Dimensions: 800 x 898

Date Taken:


Remote Camera