August 6, 1803

Barges and pirogues

Lewis is in Pittsburgh waiting for his military barge to be built. Two Ohio River boats of the day—barges and pirogues—are compared in the context of navigating from Pittsburgh to New Orleans.

 

August 5, 1803

Ohio River boatmen

Lewis is in Pittsburgh having a military barge built prior to departing down the Ohio River. The Ohio river boatmen he would have seen are described by François André Michaux and Timothy Flint.

 

August 3, 1803

Thanks to Clark

From Pittsburgh, Lewis writes a letter thanking Clark for joining the Western Expedition. He asks Clark to find interpreter John Conner, and to stop engaging recruits until he arrives in Louisville.

 

August 2, 1803

Pittsburgh's point

Lewis is in Pittsburgh having a barge built prior to departing down the Ohio River. Pittsburgh’s point of land between its two rivers was described by François André Michaux after his 1802 visit.

 

July 28, 1803

Monongahela industry

Lewis waits in Pittsburgh for the barge to be built prior to departure down the Ohio River. Manufacturing and ship building on the Monongahela River is described by François André Michaux.

 

July 27, 1803

Orders for Kaskaskia

Lewis is in Pittsburgh having a military barge built prior to departure down the Ohio River. From Washington City, orders are issued to lease land in Kaskaskia to build an American Army post.

 

July 25, 1803

Pennsylvania freighting

Lewis is in Pittsburgh having a barge built prior to departing down the Ohio River. Wagon freighting between Philadelphia and Pittsburgh was described by François André Michaux after his 1802 visit.

 

July 24, 1803

Some eligible recruits

Clark writes a letter from the Falls of the Ohio telling Lewis who is in Pittsburgh that he has found some eligible recruits and is getting his affairs ready for departure down the Ohio River.

 

July 23, 1803

Timber for building ships

Lewis is in Pittsburgh waiting for the barge to be built prior to departure down the Ohio. The timber used for Ohio River shipbuilding was described by François André Michaux during his visit in 1802.

 

July 20, 1803

Key to the Western Territory

Lewis is in Pittsburgh preparing for departure down the Ohio River. The “local situation of this place” is described by Thaddeus Harris during his 1803 visit as the “key to the Western Territory”.

 

July 18, 1803

Clark signs on

From Clarksville, Indiana, William Clark pens a letter accepting Meriwether Lewis’s invitation to join the “enterprise” to explore the Missouri River to its source and from there to the Pacific Ocean.

 

July 17, 1803

Louisiana questions

While Lewis prepares for departure in Pittsburgh, President Jefferson sends out a list of questions about Louisiana for the upcoming Congressional debate on the Louisiana Treaty and Conventions.

 

July 16, 1803

Pittsburgh rivers

Lewis is in Pittsburgh preparing for departure down the Ohio. He left no written record of this day, but the Monongahela and Allegheny rivers were described by Thaddeus Harris during his 1803 visit.

 

July 9, 1803

Cushing's instructions

In Frederick, Maryland, Inspector General Thomas Cushing gives Lewis instructions for the soldiers that will soon join him. Lewis travels somewhere between Brucetown and Gainesboro, Virginia.

 

July 3, 1803

News from France

A letter announcing that the Louisiana Purchase Treaty has been officially signed reaches Washington City. President Jefferson writes to Henri Peyroux, the former commandant of St. Genevieve.

 

June 24, 1803

Expected timeline

In Washington City, Thomas Jefferson tells Benjamin Rush that the Western Expedition will leave Fort Kaskaskia the first of September. In Dover, Delaware, Thomas Rodney accepts two Federal appointments.

 

June 17, 1803

Mackenzie's voyages

In Washington City, President Thomas Jefferson orders a copy of Alexander Mackenzie’s Voyages from Montreal and Aaron Arrowsmith’s map of North America. Both of these were used by Meriwether Lewis.

 

June 15, 1803

Tents and bags

On behalf of Meriwether Lewis, U.S. Army Purveyor of Public Supplies Israel Whelan purchases tents, cloth, and two dozen “Hooks & Eyes” from Philadelphia upholsterer Richard Wevill.

 

June 8, 1803

Eight gross awls

Philadelphia merchants Harvey & Worth sell over 1100 awls Israel Whelan, U.S. Army Purveyor of Public Supplies. The awls will be used as gifts for the Native People that they will meet.

 

June 3, 1803

Tobacco purchase

Israel Whelan buys sixty-three pounds of pig tail tobacco from a Philadelphia tobacconist. Tobacco will be an essential ration for the soldiers and a critical diplomatic tool among the Native Nations.