//=time() ?>
Interesting map!
The 2 maps show a comparison between 1921 and 1926 of the depths of the Weser River
Map by R. Brennemann printed in color by the Hafenbautechnischen Gesellschaft von 1926
#Weser, #Werser, Visurgis, Wisura, #Tiefenkarte, #Bremerhaven, Werra
https://t.co/y3JhSJrSbV