Beaverhead impact structure

Estimated at 60 kilometers (37 mi) in diameter, it is the ninth largest impact crater on Earth.

With an estimated age of 600 million years (Neoproterozoic), the impact's original shatter cones along the impact structure's perimeter provide some of the structure's only remaining visible evidence.

This Lemhi County, Idaho state location article is a stub.

You can help Wikipedia by expanding it.This Beaverhead County, Montana state location article is a stub.

You can help Wikipedia by expanding it.This article about a specific United States geological feature is a stub.