Since the 1950s, diamonds have been mined from a tributary of this river , the Vilyuv. Flowing past usch ports as Osetrovo, Kirensk, and Bulun, it empties into the Laptev Sea 
Since the 1950s, diamonds have been mined from a tributary of this river , the Vilyuv. Flowing past usch ports as Osetrovo, Kirensk, and Bulun, it empties into the Laptev Sea and flows primarily northeast, although the Verkhoyansk Mountains alter its course substantially for a stretch. Its tributaries include the Bykov and the Kirenga, and its largest port city is (*) Yakutsk. A massacre at this river's namesake goldfields inspired a certain politican to change his name. For 10 points, name this fourth-longest river of Russia, originating near Lake Baikal.
Since the 1950s, diamonds have been mined from a tributary of this river , the Vilyuv.
{Lena} River