Note 172 — Chapter XXIV · DESCRIPTION OF FORT CLARKE AND THE ENVIRONS
Hannibal Evans Lloyd translation
Fort Mandan was occupied by Lewis and Clark during the winter of 1804-05, the preceding winter having been spent by them in camp on Wood River, Illinois, opposite the mouth of the Missouri. Fort Mandan was begun November 3, 1804, and abandoned April 7, the following spring; see Original Journals, i, pp. 216-283.—Ed.