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:
BalticVolgaBlackCaspian. Map of the Volga Baltic Waterway boxed area And the entire Volga River in relation to the Caspian Sea and Black Sea ports th century canal system that expedited transport into interior western Imperial Russia to northern Europe via Baltic and southern Europe Asia via Black Sea The Soviet Union periodically