Hydrogen ion concentration as pH, 2018
![Choropleth map of the United States showing pH concentrations with more acidic concentrations (5-4.7 pH) in the Southeastern US](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/pH_2018_0.jpg?itok=fBnuv6lJ)
Detailed Description
Hydrogen ion concentrations as pH from measurements made at the Central Analytical Laboratory, 2018.
Sources/Usage
Public Domain.
Hydrogen ion concentrations as pH from measurements made at the Central Analytical Laboratory, 2018.
Public Domain.