Sinkhole opens at Wickiup Reservoir, ground ‘highly unstable’

Sinkhole opens at Wickiup Reservoir, ground ‘highly unstable’

A relatively large sinkhole has opened up on the edge of Wickiup Reservoir, Oregon's second-largest reservoir, and is slowly draining the water in. The area has been roped off and officials are warning visitors to keep away as the ground is unstable and…