United States Forest Service photo of <a href="https://en.wikipedia.org/wiki/Big_Salmon_Lake" class="extiw" title="en:Big Salmon Lake">Big Salmon Lake</a>, <a href="https://en.wikipedia.org/wiki/Bob_Marshall_Wilderness" class="extiw" title="en:Bob Marshall Wilderness">Bob Marshall Wilderness</a>, <a href="//commons.wikimedia.org/wiki/Montana" class="mw-redirect" title="Montana">Montana</a>.
United States Forest Service
<a rel="nofollow" class="external free" href="http://www.fs.fed.us/r1/flathead/wilderness/Wilderness.htm">http://www.fs.fed.us/r1/flathead/wilderness/Wilderness.htm</a>