USGS scientist taking a dissolved oxygen reading in a small stream.
![USGS scientist taking a dissolved oxygen reading in a small stream.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/wss-property-dissolved-oxygen-measuring_0.jpg?itok=eaesx0ha)
Detailed Description
USGS scientist is measuring various water-quality conditions in Holes Creek at Huffman Park in Kettering, Ohio
Sources/Usage
Public Domain.
USGS scientist is measuring various water-quality conditions in Holes Creek at Huffman Park in Kettering, Ohio
Public Domain.