Career
They also proposed that barges could either float down the Garonne River to Bordeaux or could traverse a canal parallel to the river. Francis I approved their plans which included a lock-free canal of variable depth. These plans proved to be inaccurate and could not be executed.
In 1598, Henri IV re-examined the plans, but nothing was done until Pierre Paul Riquet began the successful endeavor of the Canal du Midi in 1662.