 He was appointed assistant surveyor general for the province in the same year.In 1798, he sold his printing operation to Pierre-Édouard Desbarats and Roger Lelièvre.In 1803, with Louis Charland, he produced "A new topographical map of the province of Lower Canada" and a book, "Extraits des titres des anciennes concessions de terre en fief et seineurie", describing the seigneuries in the province.