Scarce map of Schoolcraft's map showing the sources of the Misssissippi, based upon his explorations in 1831. Henry Schoolcraft explored the upper Misssissippi in 1820 in an expedition led by Lewis Cass, the Governor of Michigan Territory. Later, Schoolcraft became the Indian Agent for the region. And made several expeditions into the region west and north of Lake Superior. In 1831, he reported on the country between Lake Superior and the Mississippi. In 1833, he reported on the country of the St. Croix and Chippewa rivers. In the last exedition, he traveled from Lake Superior to Fond du Lac, up the Fond du Lac River and by portge to the Mississippi, then up the Mississippi to Lake Winnepeg, Upper Red Cedar or Cass Lake, Lac Traverse, Lac La Biche or Elk Lake (the sources of the Mississippi), down below the falls of St. Anthony to the St. Croix and then to the Source of the St. Croix, tghen back to Saut de Ste. Marie. This map, published in the Bulletin de la Societe de Geographie in Paris continues the great French tradition of re-issuing maps of great American importance in contemporary French journals, often before the American editions made it to press. In this instance, we assume the map was published after 1834, but have not ascertained the date. The map includes nice detail of the regions North and West of the Mississippi, including Lake Winnepeg, Lac Travers, Lac Cass and Lac Leech. An excellent collector's map.
Ambroise Tardieu was an important French cartographer and engraver.
He produced a number of excellent large format maps, including a revised edition of Aaron Arrowsmith's 4-sheet map of the United States. T
Tardieu came from a family boasting a number of fine engravers, and was trained from an early age by his uncle, Pierre Alexandre Tardieu (1756–1844), a leading French engraver. Showing considerable talent in this field, Ambroise persevered and became a celebrated engraver of portraits. In addition he was appointed as geographical engraver for the French government, for which he received a small stipend. In order to eke out this meagre wage, he began to trade in prints, books and maps. He is remembered for more than 800 portraits engraved through his career, many depicting scientists of the period.
Tardieu published a number of atlases, one of which appeared in 1842 and was titled Atlas universel de geographie, ancienne et moderne/dresse par Ambroise Tardieu pour l'intelligence de la Geographie universelle par Malte-Brun.