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:
Roer Triangle Map. Map of the dispositions in the Roer Triangle January RoerTriangleMap on English Hgootzen en PDauthor Hgootzen Original upload log en Hans Erren CommonsHelper en RoerTriangleMap Hgootzen bytes no of the dispositions in the Roer Triangle January Hgootzen bytes no of the dispositions in the Roer