This is a map of the <a href="https://en.wikipedia.org/wiki/Siberian_River_Routes" class="extiw" title="en:Siberian River Routes">Siberian River Routes</a>.
<a href="//commons.wikimedia.org/wiki/User:Kmusser" title="User:Kmusser">Kmusser</a>
CC BY-SA 3.0
Own work using <a rel="nofollow" class="external text" href="http://www.maproom.psu.edu/dcw/">Digital Chart of the World</a> data. Routes based on descriptions from Forsyth, James, "A History of the Peoples of Siberia",1992.