Photo of subcore tubes inserted into mud before they are removed
By St. Petersburg Coastal and Marine Science Center
April 2010 (approx.)
![Photo of subcore tubes inserted into mud before they are removed](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/boxcore-subcores.jpg?itok=AUjKOdf8)
Detailed Description
Photo of subcore tubes inserted into mud before they are removed.
Sources/Usage
Public Domain.