See the view from the bottom of Grass Valley’s massive sinkhole

A failed culvert appears to have caused a 70-foot sinkhole near an auto dealership in the southwest part of the city of Grass Valley. The city worked over four days to stabilize the the sinkhole before Wednesday's storms. This video shows the sink
A failed culvert appears to have caused a 70-foot sinkhole near an auto dealership in the southwest part of the city of Grass Valley. The city worked over four days to stabilize the the sinkhole before Wednesday's storms. This video shows the sink

Caltrans inspection finds no Highway 49 damage from Grass Valley sinkhole

January 25, 2017 02:29 PM