12 Mile Dam

A Dam, Dying Fish, and a Montana Farmer’s Lifelong Quest to Right a Wrong

In the pantheon of river conservationists, few may leave a legacy larger than that of Roger Muggli, a third-generation farmer in eastern Montana. Thanks to his decades of efforts to help fish safely pass 12 Mile Dam, an irrigation diversion structure built in 1885 on the Tongue River, a major tributary to the Yellowstone, Muggli…

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A Dam, Dying Fish, and a Montana Farmer’s Lifelong Quest to Right a Wrong

In the pantheon of river conservationists, few may leave a legacy larger than that of Roger Muggli, a third-generation farmer in eastern Montana. Thanks to his decades of efforts to help fish safely pass 12 Mile Dam, an irrigation diversion structure built in 1885 on the Tongue River, a major tributary to the Yellowstone, Muggli…

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Researchers, conservationists, and others share stories, insights and ideas about Our Changing Planet, Wildlife & Wild Spaces, and The Human Journey. More than 50,000 comments have been added to 10,000 posts. Explore the list alongside to dive deeper into some of the most popular categories of the National Geographic Society’s conversation platform Voices.

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Voices director: David Braun (dbraun@ngs.org)

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