USGS scientists collected core samples along Hayward fault
![L, woman stands on ships deck next to plastic tubes of sediment with red caps; R, view of cores being collected at ship back](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/Mystery9CoringHGmergeCV_0.jpg?itok=suQ7SNLB)
Detailed Description
On the shallow-draft barge Retriever (right), USGS scientists led by Janet Watt (left) collected core samples of underwater sediment along the Hayward-Rodgers Creek fault zone in San Pablo Bay, California, to investigate the history of faulting beneath the bay.
Sources/Usage
Public Domain.