A map of the middle British colonies in North America [cartographic material] : First published by Lewis Evans, of Philadelphia, in 1755 ; and since corrected and improved, as also extended, with the addition of New England, and bordering parts of CanadaPownall, Thomas, 1722-1805March 25th, 1776.Accompanied by the author's: A topographical description of such parts of North America as are contained in the (annexed) map of the middle British colonies, &c. in North America. vi, 46, 16 p.Includes text, list of townships, distance charts, and inset "A sketch of the remaining part of Ohio R. &c."Prime meridian: London and Philadelphia.Relief shown pictorially.Without accompanying text.cartographic