• Black Canyon of the Gunnison National Park

    Black Canyon Of The Gunnison

    National Park Colorado


Cimarron, 1940.
Driving lambs to shipping corrals, Cimarron, 1940.
Lee Russell, Library of Congress

Did You Know?

Did You Know?

The Black Canyon contains some of the oldest exposed rock on Earth. Precambrian, or “basement” rock, is nearly 2 billion years old.