GSGS series 4414 (AMS M 841). Sheet 1523, Fourth Edition. Copied from German Topographische Karte 1:25,000 Sheet 1523 dated 1954, revised from air photographs March 1953 and field checked in 1953. Reproduced by Survey Production Centre RE (BAOR) in 1954. International Spheriod projection. Universal Transverse Mercator Grid.