Standing petrified (silicified) trees on Specimen Ridge in northeastern Yellowstone National Park.
![Two standing petrified (silicified) trees on Specimen Ridge in northeastern Yellowstone National Park](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/media/images/Speciman_Ridge.jpg?itok=1dHU8IST)
Detailed Description
Two standing petrified (silicified) trees on Specimen Ridge in northeastern Yellowstone National Park. Photo by Jacob W. Frank, Yellowstone National Park (https://www.flickr.com/photos/yellowstonenps/50016729252).
Sources/Usage
Public Domain.