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Hats collected in summer 2026 by the Yellowstone National Park Geology Team

By Yellowstone Volcano Observatory September 2026 (approx.)
A white pickup truck is parked in front of an array of hundreds of hats of various colors laid out on the ground
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Detailed Description

Hats collected by the Yellowstone National Park Geology Team and other park staff from hydrothermal areas during the summer 2026 season (Geology Team truck for scale). National Park Service photo by Margery Price, September 2026.

Sources/Usage

Public Domain.

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