Oroville Dam flood concerns remain as more rain falls

Worries that part of a 770-foot dam in northern California might
fail have receded enough to lift a mandatory evacuation order that
displaced nearly 200,000 people but fresh rains kept authorities on
edge as crews rushed to repair damaged spillways.
As helicopters dropped sacks of rocks into a gaping rent that
opened last week in the Oroville Dam's 3,000-foot main
spillway, trucks piled 1,200 tons of boulders an hour into eroded
parts of an earthen slope used as an emergency...