Powder for seismic experiments
By Woods Hole Coastal and Marine Science Center
April 2018 (approx.)
![Workers wearing safety gear and hard hats pour pink powder into a hole in the dirt. another person looks on.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/PowderHole.jpg?itok=NCmCV3PG)
Detailed Description
Contractors pour explosive powder into one of the holes where shots were detonated to provide seismic (sound) energy for the experiment. See study area map for shot locations.
Sources/Usage
Public Domain.