The quote, below left, - Gary E. Moulton; The Lewis and Clatk Journals. July 6 trek waded across the North Fork Bitteroot, and continued east on the main branch. A few miles later, Gass noted "...we passed a beautiful small lake..." Possibly Browns Lake , above?

Lewis Return Trail
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The Lewis squad camped near the confluence of Beaver Creek, left, and Blackfoot River. "...about two miles west of Lincoln."