Relief shown pictorially. "Engraved for the General magazine of arts & sciences, for W. Owen at Temple Bar, 1763." Map was likely extracted from: Volume II of A new and comprehensive system of philology; or, a treatise of the literary arts and sciences, according to their present state. By Benjamin Martin, published in London in 1764. Originally published in monthly installments as: The General Magazine of Arts and Sciences, Philosophical, Philological, Mathematical and Mechanical. Prime meridian: London. Shows colonial boundaries. Scale not given.