USGS diver taking a core of a 100-year-old coral in USVI
By St. Petersburg Coastal and Marine Science Center
2012 (approx.)
![USGS diver taking a core of a 100-year-old coral in USVI](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/v22-Flat%20Cay_USVI_2012_Drilling-Kuffner.jpg?itok=bh-QqReA)
Detailed Description
USGS diver taking a core of a 100-year-old coral to allow reconstruction of past ocean temperatures in St. Thomas, U.S. Virgin Islands.
Sources/Usage
Public Domain.