The white stone outcrop is the Tongue River Formation
By Wyoming-Montana Water Science Center
2006 (approx.)
![The white stone outcrop is the Tongue River Formation](https://d9-wret.s3.us-west-2.amazonaws.com/assets/palladium/production/s3fs-public/styles/full_width/public/thumbnails/image/797_Tongue_River_Fm.jpg?itok=2_L9bN4n)
Detailed Description
The white stone outcrop is the Tongue River Formation. Photo taken north of Lame Deer, Montana.
Sources/Usage
Public Domain.