Andrew Ellicott (January 24, 1754 – August 28, 1820) was an American land surveyor who helped map many of the territories west of the Appalachians.

Oct 31, 2022 · Andrew Ellicott (1754-1820) was perhaps the most notable astronomer, mathematician, and surveyor of the early years of the United States.

Ellicott was one of the best surveyors of his time, renowned today for the accuracy of his work. He was appointed Surveyor General of the United States in 1792.

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Andrew Ellicott finished the job Mason and Dixon started, first measured the height of Niagara Falls, helped avert a war over disputed territory.

The journal of Andrew Ellicott : late commissioner on behalf of the United States during part of the year 1796, the years 1797, 1798, 1799, and part of the year ...

Andrew Ellicott was a surveyor employed by President George Washington to survey the boundary lines of the federal Territory of Columbia.

Andrew Ellicott," America's best and brightest mathematician and surveyor, who ... University of Virginia Library Online, Lewis and Clark: The Maps of ...

Andrew Ellicott (1754–1820), surveyor, mathematician, and astronomer, was a native of Bucks County, Pennsylvania, who studied mathematics under Robert Patterson ...

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""Andrew Ellicott: His Life and Letters"" is a biographical work written by Catharine Van Cortlandt Mathews. The book provides a detailed account of the ...