Power, Wm. (William), active 18th century. cartographic [1785] eng Title from verso. Manuscript; pen and ink on printed form. On lower half of sheet: In pursuance of an Act of the General Assembly of the State of Pennsylvania ... and by order of the Surveyor General ... I have surveyed ... 500 acres of land ... on the west side of the Allegheny River, in the county of Westmoreland. [Signed] Wm. Power D.S. LC Maps of North America, 1750-1789, Westmoreland County (Pa.)--Maps, Manuscript--Early works to 1800. United States Pennsylvania Westmoreland County. Available also through the Library of Congress Web site as a raster image. http://hdl.loc.gov/loc.gmd/g3823w.ar130500