GravelBar_PC_FriendsOfTheKaw.png
![Image of the Kansas River with a person kneeling in the water taking a sample from inside of a tire to be analyzed for the presence of 6PPD and 6PPD-Quinone.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/GravelBar_PC_FriendsOfTheKaw.png?itok=oXoMGeAx)
Detailed Description
Image of the Kansas River with a person kneeling in the water taking a sample from the inside of a tire to be analyzed for the presence of 6PPD and 6PPD-Quinone.
Sources/Usage
Permission and file provided for use by USGS by the Friends of the Kaw.