From the Book - First Touchstone edition.
Thomas Jefferson's America 1801
President's secretary (1801-1802)
Origins of the expedition (1750-1802)
Preparing for the expedition (January-June,1803)
Washington to Pittsburg (June-August,1803)
Down the Ohio (September-November,1803)
Up the MIssissippi to winter camp November,1803-March,1804)
Ready to depart (April-May 21,1804)
Up the Missouri (May-July, 1804)
Entering Indian Country (August,1804)
Encountering the Sioux (September,1804)
To the Mandans (Fall 1804)
Winter at Fort Mandan (December 21,1804-March 21,1805)
Report from Fort Mandan (March 22-April 6,1805)
From Fort Mandan to Marias River (April 7-June 2,1805)
From Marias River to Great Falls (June 3-June 20,1805)
Great Portage (June 16-July 14,1805)
Looking for Shoshones (July 15-August 12,1805)
Over the Continental Divide (August 13-August 31,1805)
Lewis as ethnographer: Shoshones
Over the Bitterroots (September 1,- October 6,1805)
Down the Columbia (October 8- December 7,1805)
Fort Clatsop (December 8, 1805- March 23,1806)
Lewis as ethnograper: Clatsops and the Chinooks
Jefferson and the West (1804-1806)
Return to the Nez Perce' (March 23,-June 9,1806)
Lolo Trail (June 10-July 2,1806)
Marias Exploration (July 3,- July 28,1806)
Last leg (July 29,-September 22,1806)
Reporting to the president (September 23,-December 31, 1806)
Washington (January-March 1807)
Philadelphia (April-July 1807)
Virginia (August 1806-March 1807)
St. Louis (March-December 1808)
St. Louis (January- August 1809)
Last voyage (September 3-October 11, 1809).