The U.S. Army Corps of Engineers conducts a deep drawdown of Fall Creek Reservoir, southeast of Eugene Ore. to enable juvenile Chinook salmon passage, Nov. 26, 2011. Deep drawdowns at Fall Creek have been highly successful in passing these fish. Studies indicate a 98-99% survival rate for these out-migrating juveniles and is an important step in meeting the 2008 Biological Opinions for the Willamette Valley.