Oroville Dam: What made the spillway collapse? https://t.co/4iBBty2akp via @mercnews— Dr.Steven D.Sanders (@DocEngineering) February 19, 2017
Oroville Dam: What made the spillway collapse? https://t.co/4iBBty2akp via @mercnews— Dr.Steven D.Sanders (@DocEngineering) February 19, 2017
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