"April.1918." above upper left margin. "Die braunen Schichtlinien umgrenzen Stufen von 10 meter Höhen-Abstand." "Kartographische Abteilung d. Kgl. Preuβ. Landesaufnahme." German and French. Includes index of connecting sheets. Shows area surrounding Chal
The use of this image may be subject to the copyright law of the United States (Title 17, United States Code) or to site license or other rights management terms and conditions. The person using the image is liable for any infringement