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:
Chimay orig. en Militairy staff map in the area around Chimay and Mariembourg in It shows the vicinal lines Couvin Chimay Ohoy Oignies en several railways This military staff map was cut up and pasted on canvas Railway lines are black lines with marks on one side Smalltrack is thinner line If there are marks on both sides it is