Ilkevich Yu. Materials for describing the mouth of the Severnaya Dvina River: Fluctuations in water level, velocity and discharge of the Severnaya Dvina River near Arkhangelsk: In Russian/Ilkevich Yu. Materialy dlya opisaniya ustya reki Severnoy Dviny: Kolebaniya urovnya vody, skorosti i raskhod r. Severnoy Dviny u g. Arkhangelska: The results of the research carried out in 1903 and 1904 by Eng. Yu. Ilkevich (Trade Ports and Industry Department, Volume 29) St. Petersburg. Typo-litt. G. de Kelsch, 1912. 62 p. Please contact us for details on condition of available copies of the book. SKUalb239845de66a380df