Plot of decadal change in Radium concentration vs. road salt application rate
![Plot of Radium concentration vs. road salt application rate](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Radium%20concentration%20vs.%20road%20salt%20application%20rate_1.jpg?itok=HITpfBne)
Detailed Description
Graph of decadal change in Radium concentration compared to road salt application rate (Lindsay and others, 2021). Increases in concentrations of radium are correlated with road-salt application, and multiple lines of evidence support that the relation is causal.
Sources/Usage
Public Domain.