Not (!) correct map of the Town districts of de:Bochum  Source: [1] by Priwinn, changed by Flux Garden and Simplicius, traced and converted into an SVG file by Andy.kem The old "Gemarkungen" are not congruent with the city districts.
Bochum_-_Stadtbezirke-polished.png: Priwinn
Bochum_-_Stadtbezirke.png: Priwinn
Bochum_-_Stadtbezirke-polished.png: Bits'n'Bytes
derivative work: Andy.kem