As an avid fisherman and retired biologist I recognize that I often view my use of the outdoors through my personal pursuits and interests. However, introduction of Eastern brook trout (in particular), rainbow, brown and even cutthroat trout throughout the west has had devastating consequences on our native amphibian fauna. While recognizing the importance of coldwater refugia for native trout you should also recognize the need for coldwater and trout free refugia for many of our native amphibian species. I do not know if this is the case in this specific situation but this will likely be an issue across the west with climate change so I suggest we all keep in mind the ecosystems we care about are much bigger than just trout.