Huge Sinkhole Opens at Highest Dam in the U.S.

http://news.nationalgeographic.com/2017/02/lake-oroville-dam-drought-dam-flood/

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2 thoughts on “Huge Sinkhole Opens at Highest Dam in the U.S.

  1. Let’s see here: No major rebar used in spillway – none visible. No effort made to clear earth to bedrock. No ties into bedrock. Unreinforced concrete poured on top of dirt. What could go wrong?

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