In the Vinony graph
Within Vinony's link graph, Myka River is referenced by 3 other articles, and connects out to Russia, Russian and Caspian Sea.
The entry is geolocated on the map in river.
Vinony files it under Rivers of Perm Krai and Tributaries of the Vishera (Perm Krai).
Its subject is documented across 8 Wikipedia language editions.