ISM gage box with barge in the background.
By Pennsylvania Water Science Center
2020 (approx.)
![Open metal gage box with barge in the background.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/barge_background.jpg?itok=J3HpPnX5)
Detailed Description
Gage box at USGS site 01467200, Delaware River at Penn's Landing at Philadelphia, PA, open. showing equipment inside with a barge on the river in the background.
Sources/Usage
Public Domain.