What is "usun-kyuyol"

Usun-Kyuyol is the name of several rural localities in the Sakha Republic, Russia:

• Usun-Kyuyol, Churapchinsky District, Sakha Republic, a selo in Sylansky Rural Okrug of Churapchinsky District
• Usun-Kyuyol, Suntarsky District, Sakha Republic, a selo in Arylakhsky Rural Okrug of Suntarsky District
• Usun-Kyuyol, Ust-Aldansky District, Sakha Republic, a selo in Ospekhinsky 1-y Rural Okrug of Ust-Aldansky District
• Usun-Kyuyol, Verkhnekolymsky District, Sakha Republic, a selo in Arylakhsky Rural Okrug of Verkhnekolymsky District