Glacier National Park: Latest effort to preserve a native trout species a success

A project to rid a couple of high mountain lakes in Glacier National Park of non-native fish and replace them with native species was a success, Park fisheries biologist Chris Downs said.

Biologists last year treated Camas and Evangeline lakes and a portion of Camas Creek above Arrow Lake with Rotenone, a fish toxicant to kill non-native Yellowstone cutthroat trout...