YAKUTSK ASSR. The Ruskoye Ustiye district on the banks of the Indigirka river, where it flows into the Eastern Siberian Sea. Here in the 17th century stood the settlements of the Russian Cossack pioneers. Photo: M. Ugrin
YAKUTSK ASSR. The Ruskoye Ustiye district on the banks of the Indigirka river, where it flows into the Eastern Siberian Sea. Here in the 17th century stood the settlements of the Russian Cossack pioneers. Photo: M. Ugrin