atop the bluffs near the island.

The Locke Island slide is the northernmost slide along the White Bluffs. There are at least five other major slides into the Columbia River, with the southernmost one being across the river from Pacific Northwest National Laboratory in north Richland, which occurred in 2008. At least one slide has occurred in nearby coulees.

Paleobiota

Mammals

The mammal fossils of the Ringold Formation

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