In 2009, the Craig Thomas Snake Headwaters Legacy Act was passed, protecting 387 river miles on 13 pristine streams, including Wyoming’s spectacular Snake River and its tributaries.

Removing illegally introduced lake trout from Yellowstone Lake is helping native cutthroat trout survive and thrive. For the first time in years, cutthroat are showing signs of rebounding.

In 1990, 20.5 miles of the Clarks Fork of the Yellowstone River in Wyoming was permanently protected from dams and other harmful development.

The Army Corps of Engineers was forced to halt 14 bank stabilization projects on the Yellowstone River, protecting the riparian areas and cottonwood forests along the longest free-flowing river in the Lower 48.

The renovation of the Chester Dam on Idaho’s Henry’s Fork of the Snake River includes a fish ladder, screens on two irrigation canals that protect fish from entrainment, and other enhancements that help protect the river’s famous wild trout.

In the early 1990s, GYC orchestrated an agreement to protect Yellowstone’s northeast corner from a Canadian company’s proposed open pit gold mine, sparing the Yellowstone and Clarks Fork rivers from toxic mine runoff.