Boulders, concrete flown in to strengthen damaged Oroville spillway

Helicopters carried boulders and blocks of concrete onto Oroville's damaged emergency spillway Tuesday in advance of rains predicted for later in the week.
Helicopters carried boulders and blocks of concrete onto Oroville's damaged emergency spillway Tuesday in advance of rains predicted for later in the week.

Oroville Dam’s flood-control manual hasn’t been updated for half a century

February 15, 2017 07:31 PM