Joseph Ellicott was an American surveyor, city planner, land office agent, lawyer and politician of the Quaker faith.
Joseph Ellicott
Joseph Ellicott Obelisk, Batavia Cemetery, April 2011
Andrew Ellicott 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.
Andrew Ellicott in miniature portrait, 1799
Northeast No. 4 boundary marker stone of the original District of Columbia in Washington, D.C. and Prince George's County, Maryland (2005)
Boston Public LibraryFacsimile of manuscript of Peter Charles L'Enfant's 1791 plan for the federal capital city (United States Coast and Geodetic Survey, 1887).
A contemporary reprint of Samuel Hill's 1792 print of Ellicott's Plan of the City of Washington in the Territory of Columbia, showing street names, lot numbers, coordinates and legends.