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Materials for describing Russian rivers and the history of improving their navigational conditions. Issue. 12. The Zeya River

Materials for describing Russian rivers and the history of improving their navigational conditions. St. Petersburg: Publication of the Department of Water and Highways and Commercial Ports (on the water and highway communications department), 1902-1917.
Вып. 12: The Zeya River. 1906.
1906
ЦВМБ

Materials for describing Russian rivers and the history of improving their navigational conditions. Issue. 12. The Zeya River. Drawings and maps

Materials for describing Russian rivers and the history of improving their navigational conditions. St. Petersburg: Publication of the Department of Water and Highways and Commercial Ports (on the water and highway communications department), 1902-1917.
Вып. 12: The Zeya River. Drawings and maps. 1906.
1906
ЦВМБ