NORTH YORKESHIRE REGION MAP CA 1645: BLAEU, Willem and Joan. Ducatus Eboracensis pars Borealis. Isle Northridinge of Yorkeshire. Amsterdam. Copper engraving, 15'' x 19.3'', handcolored. Depicts the region of North Yorkshire with topographical features. Decorated with ducal arms, cherubs and a handsome cartouche. Very good condition, in a wooden frame.