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.
Keywords from Image Description:
TrKAhrweiler C. Kartenaufnahme der Rheinlande durch Tranchot und von Mffling Blatt Ahrweiler Ing Geograph Boutinot Scan Repro Kateer August CEST PDold Zu den weitere Kartenausschnitten cellspacing cellpadding rules all style margin em em em border solid px gainsboro bordercollapse collapse backgroundcolor ivory width px