4-cm-Karte series, sheet 1670. Originally published by the Prussian State Office in 1877. Corrected in 1919 and editorial changes made in 1938. Magnetic declination is shown for the year 1936. This is a reprint of the original Reichsamt fur Landesaufnahme map by the Institute of Applied Geodesy, now Federal Agency for Cartography and Geodesy.