Map of the county of Cambridge [cartographic material] : from an actual survey made in the years 1832 & 1833 / by C. & J. Greenwood ; engraved by J. & C. Walker ; Richards, delt.C. & J. Greenwood, cartographerGreenwood & Co., publisherJ. & C. Walker (Firm), engraverRichards, G1834Greenwich meridian.Includes hundreds & liberties, Isle of Ely and view of Ely Cathedral.Prime meridian: Greenwich.Relief shown by hachucartographic