Nicollet, J. N. (Joseph Nicolas), 1786-1843

J.N. Nicollet, French mathematician and explorer, settled in the United States in 1832. In 1836-1837 he explored the sources of the Mississippi River, and in 1838-1839 he led two United States Army Corps of Topographical Engineers expeditions to map the region between the Mississippi and Missouri Rivers, in which he was assisted by John Charles Frémont. John James Abert served as commander of the Topographical Bureau and Corps of Topographical Engineers, 1829-1861.

From the description of J.N. Nicollet letters received from John James Abert and John Charles Frémont, 1838-1841. (Unknown). WorldCat record id: 82426794

From the description of J.N. Nicollet letters received from John James Abert and John Charles Frémont, 1838-1841. (Unknown). WorldCat record id: 702150322

Mathematician, explorer, and cartographer.

From the description of J.N. Nicollet papers, 1797-1843. (Unknown). WorldCat record id: 70982397

Biographical Note

• 1786, July 24: Born, Cluses, Savoy, France
• 1817: Astronomer, Royal Observatory, Paris, France
• 1832: Emigrated to United States
• 1835: Expedition on Missouri River
• 1836: Expedition to Mississippi River headwaters
• 1837: Expedition to Lake Superior via St. Croix River and return via St. Louis River and Savannah portage
• 1838: Expedition to the headwaters of St. Pierre River (Minnesota River) and Des Moines River
• 1939: Expedition from Ft. Pierre, S. Dak., to Devil’s Lake, N. Dak., via the Missouri River Published Meteorological Observations. U. S. War Department
• 1843, Sept. 11: Died, Washington, D.C. Posthumous publication of Map of the Hydrographical Basin of the Upper Mississippi River. Twenty-sixth Congress, Second Session, U. S. Senate Document 237

From the guide to the J. N. Nicollet Papers, 1797-1843, (Manuscript Division Library of Congress)