Title Page | Collection Summary | Biographical/Organizational Note | Scope and Content | Arrangement
Biographical Note
| Date | Event |
|---|---|
| 1754, Jan.24 | Born, Bucks County, Pa. |
| 1775 | Married Sarah (Sally) Brown Family founded Ellicott City, Md. |
| 1784 | Appointed as surveyor of the Mason-Dixon Line |
| 1785 | Mathematics teacher, Baltimore Academy, Baltimore, Md. |
| 1789 | Appointed to survey southwestern boundary of New York |
| 1791-1793 | Surveyor of area for permanent seat of the national government |
| 1792 | Revised Pierre Charles L'Enfant's plan for the Federal City |
| 1793 | Published first map of the Territory of Columbia |
| 1794 | Appointed commissioner to lay out the town of Presque Isle (now Erie), Pa. |
| 1796 | Commissioned to survey boundary between the United States and Florida |
| 1803 | Published The Journal of Andrew Ellicott. Philadelphia: Printed by Budd & Bartram for Thomas Dobson |
| 1811 | Surveyed Georgia-South Carolina boundary |
| 1813-1820 | Professor of mathematics, United States Military Academy, West Point, N.Y. |
| 1818-1820 | Chief American surveyor to establish the United States-Canadian border |
| 1820, Aug. 28 | Died, West Point, N.Y. |