This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Kranentalsmhle Uraufnahme. Preuische Uraufnahme TIMOnline Topographisches Informationsmanagement NRW Commonist Dorpowski und Mller PDold Kranentalsmhle Maps by Royal Prussian Land Survey
Page 2023 Free-images.com. All images are Public Domain