Source water vulnerability to elevated total dissolved solids within a mixed-use Appalachian River basin
Fig 3
Plots showing the interaction between 8-digit HUC watershed and pre-Surface Mine Control and Reclamation Act (SMCRA) mining (A), forested land cover (B), impervious land cover (C), and deep mine NPDES permit density (D) in the final model predicting log[x]-transformed TDS within the upper Monongahela River basin.