Title: Mezolit Oki
Subjects: Mesolithic period, Antiquities, Excavations (Archaeology)
Places: Russia (Federation), Oka River (Kurskai︠a︡ oblastʹ-Nizhegorodskai︠a︡ oblastʹ ), Oka River (Kurskai︠a︡ oblastʹ-Nizhegorodskai︠a︡ oblastʹ, Russia)