Expedition underway, May 14-August 24, 1804
The middle Missouri, August 25-October 26, 1804
Knife River winter, October 27, 1804-April 6, 1805
Into the unknown, April 7-June 2, 1805
Portaging the falls, June 3-July 14, 1805
Shadows of the Rockies, July 15-August 9, 1805
Those tremendous mountains, August 10-October 10, 1805
Roll on Columbia, October 11-November 14, 1805
Pacific coast winter, November 15, 1805-March 22, 1806
Homeward bound, March 23-July 2, 1806
Separation and reunion, July 3-August 12, 1806
Hurrying home, August 13-September 23, 1806.