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What’s the Dam Problem

Why it’s so hard to design a fish ladder that works

Spillway of Seattle’s Hiram Chittenden locks. Flickr/acordova
French Lake Dam fish ladder, Wichita Mountains Wildlife Refuge, Oklahoma. Flickr/lsmith2010
The salmon ladder at the Bonneville Dam on the Columbia River in Oregon. Flickr/snowmail
The Elwha dam before it was removed.



A field guide to the designed world

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Heather Hansman

Writer, Editor, Skier. Also: bikes, going places, and what the F we’re doing to the planet. Outside a lot.