History

The Day a Wyoming Mountainside Slid Across a Valley (Gros Ventre, 1925)

In June of 1925, a Wyoming rancher watched an entire mountainside stand up and slide across the valley. Guil Huff was on his horse beside the Gros Ventre River when the ground began to roar. In under a minute, fifty million cubic yards of rock tore loose from Sheep Mountain, crossed the river, and ran three hundred feet up the far slope.

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