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Andrew Ellicott (January 24, 1754 – August 28, 1820) was an American land surveyor who helped map many of the territories west of the Appalachians, surveyed the boundaries of the District of Columbia, continued and completed Pierre (Peter) Charles L'Enfant's work on the plan for Washington, D.C., and served as a teacher in survey methods for Meriwether Lewis.
John, Andrew, and Joseph Ellicott founded Ellicott's Mills which became one of the largest milling and manufacturing towns in the East. [3] The Ellicott brothers helped revolutionize farming in the area by persuading farmers to plant wheat instead of tobacco and also by introducing fertilizer to revitalize depleted soil. [4]
On January 1, 1793, Andrew Ellicott submitted to the commissioners a report that stated that the boundary survey had been completed and that all of the boundary marker stones had been set in place. Ellicott's report described the marker stones and contained a map that showed the boundaries and topographical features of the Territory of Columbia.
Ellicott Dredges built the cutter dredges used in construction of the Panama Canal. [1] The first machine delivered was a steam-driven, 900 HP, 20-inch dredge. In 1941, Ellicott Dredges also built the dredge MINDI, a 10,000 HP, 28-inch cutter suction dredge still operating in the Panama Canal.
Sehner-Ellicott-Von Hess House is a historic home located at 123 N. Prince Street, Lancaster, Pennsylvania. It was built about 1780 by George Sehner, and is a finely restored house built in the Georgian style of architecture. It was occupied by Andrew Ellicott (1754–1820), first United States Surveyor General, from 1801 to 1813. [2]
Ellicott was born in Bucks County, Pennsylvania on November 1, 1760. [2] He was the son of Quaker miller Joseph Ellicott (1732–1780) and Judith Blaker (1729–1809). Joseph's siblings included older brother Andrew Ellicott (1754–1820), a fellow surveyor, and younger brother Benjamin Ellicott (1765–1827), a U.S. Congressman.
A. E. (Andrew Ellicott) Douglass (July 5, 1867 in Windsor, Vermont – March 20, 1962 in Tucson, Arizona) was an American astronomer. He discovered a correlation between tree rings and the sunspot cycle , and founded the discipline of dendrochronology , which is a method of dating wood by analyzing the growth ring pattern.
George Ellicott House is a historic house located in Oella in Baltimore County, Maryland, United States. George Ellicott was a son of Andrew Ellicott, one of several brothers that founded Ellicott Mills (Ellicott City). [1] George Ellicott bought swampland after the colonial war now known as the Inner Harbor of Baltimore.