Selenium in Ecosystems: Western US Study Areas
![Map showing location of National Irrigation Water Quality Program study areas.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/selenium-in-ecosystems-western-us-sites.jpg?itok=l7kYZBcB)
Detailed Description
Location of several National Irrigation Water Quality Program study areas in the Western United States selected because of potential irrigation-drainage water-quality problems. Also shown are data-collection sites within study areas. Modified from Seiler et. al., 2003.
Sources/Usage
Public Domain.