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

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

February 15, 2017 07:31 PM

UPDATED February 16, 2017 12:19 PM

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  • The problem at Rollins Dam in Nevada County

    The dam at Rollins Reservoir hasn’t been able to demonstrate to state inspectors that one of its valves operates properly since 2014.