Canyonlands National Park
![Dark biological crusts are common the desert Southwest and are an important part of the ecosystem.](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/15%20ecology%20desert%20crusts.jpg?itok=KFEeaX8l)
Detailed Description
Dark biological crusts are common the desert Southwest and are an important part of the ecosystem.
Sources/Usage
Public Domain.
Dark biological crusts are common the desert Southwest and are an important part of the ecosystem.
Public Domain.