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A gigantic map of all the cool plaques in the world.

A gigantic map of all the cool plaques in the world. A project of 99% Invisible

Powder River

Powder River

Submitted by Debby Drake.

 

 

air pollution bighorn bison butch cassidy cattle barons coal gunpowder oil one sixth of the world's energy powder river sheep sundance kid yellowstone
👤 Submitted by kester 📅 2016-05-04

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