Ecomapper autonomous underwater vehicle collecting data in the Delaware River Estuary with the City of Philadelphia in the background.
![Photograph of ecomapper autonomous underwater vehicle collecting data in the Delaware River Estuary](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Ecomapper%20Philly.jpg?itok=BGhutrzV)
Detailed Description
Photograph of ecomapper autonomous underwater vehicle collecting data in the Delaware River Estuary with the City of Philadelphia in the background.
Sources/Usage
Public Domain.