Lieutenant Mullan's party leaving the Bitter Root Valley and heading "down the river to the Lou-Lou Fork, which is fifteen yards wide and two feet deep at its mouth. Its valley is five hundred yards wide, and the mountains on each side are...
"Fort Owen is situated on the Scattering creek of the Lewis and Clark Trail." Drawing depicts Lieutenant Mullan arriving at Fort Owen with a delegation of chiefs from the Flathead nation. Plate XXX.