Drawing depicts the meeting of the expedition party with "a band of about fifty Nez Perce Indians going to hunt. They have from 250 to 300 horses, most of them splendid animals, in fine condition, and with perfectly sound backs. Women and...
"The Columbia River at Fort Colville is about three hundred and fifty yards wide just above the Sometknu, or Kettle Falls. These consist of two pitches, one of fifteen feet and another below it of ten, and the river is narrowed to two hundred...
A conical mound near the center of a beautiful prairie called the "Deer Lodge". The mound stands "about thirty feet high, around the base of which are innumerable springs of hot water. On top of the mound a spring three feet in...
"Just below the outlet of Flathead Lake there is a series of rapids and falls, one of which, at the time, was fifteen feet high. The country to the west of the lake is a high rolling prairie. Salmon trout, three feet long, are caught in it,...
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...
Approximately "fifty miles long and fifteen miles wide," Big Hole Prairie "is hemmed in by high mountains on every side except the southeast where Wisdom River passes out from it." Plate XLIX.