200ft hole damages America's tallest dam

Emergency workers are frantically trying to protect America's tallest dam, Oroville, after heavy rain damaged the reservoir's spillway, creating gushing water over a concrete chute.

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A gaping hole in the spillway first cracked open on Tuesday. According to NBC Los Angeles, it is 200ft-long and 30ft deep.

A mass of white-water cascaded down the damaged spillway on Friday after officials upped the flow in an attempt to avoid disastrous overflowing of the reservoir, SFGate reports.

The California Department of Water Resources suspended flows from Oroville Dam after a piece was eroded from the spillway.

Engineers have been unable to determine what caused the damage and the hole isn't a threat to anyone.

The hole is not believed to be a threat to anyone.
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