According to the Swedish Cartographer Philip Johan von Strahlenberg, captured by Russian during the Great Northern War and exiled to Siberia, at the source of the Ob river there was an ancient idol of a golden women
Maps dating to the 16th century show this golden women idol in Siberia (often named "zolotaia bab")
Map of Russia by the German cartographer Antony Vied, published 1570
The "golden women" idol can be seen on the top left corner