Changes in mean elevation for mining polygons in five ecoregions
![Changes in mean elevation for mining polygons in five ecoregions](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/tc69_0.jpg?itok=qTEZ6HZx)
Detailed Description
Changes in mean elevation for mining polygons in five ecoregions.
See the Significant Topographic Changes in the United States project for more information.
Sources/Usage
Public Domain.