Note 153 — JOURNAL (PART II) (continued 2)

Isaac Roberdeau (1763-1829), came of a Huguenot family. His father settled in Philadelphia, and was a general in the Revolutionary army. Isaac became an engineer, and assisted in laying out the city of Washington (1791). In 1813 he was appointed a major and topographical engineer in the regular army, and superintended the survey of the boundary between the United States and Canada, in accordance with the terms of the Treaty of Ghent. In 1818 he organized and was made chief of the bureau of topographical engineers in the War Department.—Ed.