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Grass Valley Sinkhole Video

Posted: Jan. 18, 2017 7:25 AM PST

Thanks to Engineering Firm Holdrege and Kull for making this sinkhole video available.  The sink hole has grown to 7 stories deep. Through an amazing feat crews were able to get a huge plastic tarp over the sinkhole to stabilize the soil.  Work on the project could go on for months.

www.https://Youtu.be/Sb-SlSLuHq8

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