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.
Shubert map RLv. en Shubert's map Fragment of topographic map of Russian Empire Printed in versta in inch in cm ru Commonist ru php ru PDold Shubert's maps Maps uploaded by ShinePhantom from various sources
Page 2023 Free-images.com. All images are Public Domain