description Andrew Ellicott Overview
Andrew Ellicott (1754-1820) was a prominent American surveyor responsible for several major boundary and territorial surveys in the early United States. He completed the survey of the federal capital territory and finalized Pierre Charles L'Enfant's street plan for Washington, D.C., placing the boundary stones that delineated the District of Columbia. Between 1798 and 1800, he led the survey of the boundary between the United States and Spanish Florida as defined by the Treaty of San Lorenzo. He later taught mathematics at the U.S.
Military Academy at West Point from 1813 to 1817.
insights Ranking position
Andrew Ellicott ranks #124 of 345 in the Cartographer ranking, behind Hecataeus of Miletus, ahead of Athelstan Spilhaus.
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What did Andrew Ellicott survey in Washington, D.C.?
Ellicott surveyed the boundaries of the new federal district and helped complete Pierre Charles L'Enfant's plan for Washington. His team placed boundary stones around the original District of Columbia.
Did Benjamin Banneker work with Andrew Ellicott?
Yes. Benjamin Banneker assisted Ellicott's team during the early phase of the District of Columbia boundary survey in 1791, contributing his astronomical and mathematical skills.
What boundary did Andrew Ellicott survey near Florida?
Ellicott helped establish the boundary between the United States and Spanish Florida after the 1795 Treaty of San Lorenzo. His work also involved mapping the Mississippi River and determining geographic positions through astronomical observations.
Was Andrew Ellicott related to the surveyor of the Erie Canal route?
Yes. His younger brother Joseph Ellicott was also a prominent surveyor and land agent, particularly associated with western New York and the Holland Land Company. Andrew's own career focused on national boundaries, cities, and astronomical surveying.
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