Engineers have known that Oroville’s backup spillway was unreliable
The near catastrophe at Oroville Dam draws attention to the complicated processes and myriad stakeholders involved in managing the tallest dam in the United States.
The Minnesota National River and Recreation Area (MNRRA) is a 72-mile National Park Service unit along the Mississippi River as it flows through the Twin Cities of Minneapolis and St. Paul. MNRRA is an open secret in the Twin Cities, and it is not widely known as a national park, even by people who live and work within its borders.