Sean C. Morgan
Green Peter Dam will remain closed through Dec. 1 while the U.S. Army Corps of Engineers repairs and upgrades one of the spillway gates.
The Corps started repairing gates throughout the Willamette Valley Project after a 2008 inspection revealed buckling in the strut arms of the spillway gates in Foster Dam. The Corps repaired the first of those four gates in 2009. Since then, the Corps has completed repairs at two other…