This is Montana: Ranching Agreements Help Conserve Arctic Grayling

When the Corps of Discovery passed through Montana in 1805 Capt. Meriwether Lewis described a "new kind of white or silvery trout,"-the Arctic grayling, a member of the salmon family that depends on clean, cold-water streams. Montana is now the only place in the lower 48 states with native populations of fluvial (river-dwelling) Arctic grayling. Over time, its historic range has been drasticall...