Battle for the Big Hole. The Big Hole River and Jefferson River watershed has seen dramatic declines in trout populations with some areas

Big hole river montana hi-res stock photography and images - Alamy

Fish Populations and A River In Peril — Big Hole River Foundation

Fish Populations and A River In Peril — Big Hole River Foundation

Big Hole River - Wikipedia

Connecticut angler there yesterday should have been there today

Fish Populations and A River In Peril — Big Hole River Foundation

Fish Populations and A River In Peril — Big Hole River Foundation

Electrofishing: A necessity or a harm to struggling species?

Flyfishing rivers, lakes USA: trout, grayling, whitefish

Trout numbers at historic lows in Big Hole River

The Battle for the Big Hole - Fly Fisherman

Algae blooms spell trouble for Big Hole River and its trout

Two Years After Calling for a Cold Water Fisheries Task Force

Missouri River Headwaters Sub-Basin Report – Summer 2021 - Upper