Channeled Scablands - Frenchman Coulee

A rock climber ascends a wall of cracked basalt.

Photo By/Credit

Michael Melford/National Geographic Society

Date Shot/Created

03/27/2023

Media Usage Rights/License

Image

A wall of basalt at Frenchman Coulee lures rock climbers and shows the shrinkage cracks that formed in cooling lava millions of years ago.

Subject tags

Floods

Geology

Physical geography

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