The analogue sheets of the Prussian geological map in their respective last edition formed the basis. The scanned originals are also available in digital form on the Internet.
Geological Map 1 : 25,000 (Historical GK25) 1937
![Fig. 1: Sheet overview of the Geological Map 1 : 25,000 for the Berlin area with sheet number, sheet name, author, edition and year of publication](/imgscaler/g9J5EI7Ls2jqbU890QGmhCNCaMpHULAH6PXXEkWEZaI/ropen/L3N5czExLXByb2QvdW13ZWx0YXRsYXMvX2Fzc2V0cy9ib2Rlbi9nZW9sb2dpc2NoZS1rYXJ0ZS9hYmJpbGR1bmcvZWExMjBfMDEuZ2lm.jpg?ts=1696236370)
Fig. 1: Sheet overview of the Geological Map 1 : 25,000 for the Berlin area with sheet number, sheet name, author, edition and year of publication
Image: Umweltatlas Berlin