4903 (alt. 2839) Erkelenz (1:25 000 AMS M841 / GSGS 4414 Germany [west])
MapaERKELENZ [GOING MAP] 1944600 dpidetails
MapaERKELENZ [DEFENCE OVERPRINT] 1945300 dpidetails
MapaERKELENZ 1956400 dpidetails