Please Stay on the Trail
![Image: Please Stay on the Trail](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/VP_path.jpg?itok=9_rlj-IV)
Detailed Description
A single narrow trail leads to research plots monitored by scientists at Canyonlands Research Station since the 1990s. This pristine area of biological soil crusts has never been grazed.
Sources/Usage
Public Domain.