USGS employees operating drone over river in black and white
![USGS employees operating drone over river in black and white](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/MarioMA_BW_fieldphoto.jpg?itok=qcC-mErO)
Detailed Description
USGS employees John Fulton - collecting live discharge data, Josip Adams - operating drone, and Sandy Brosnahan co-piloting and spotting, on a River in Maine.
Sources/Usage
Public Domain.