The absolute height of the lakes of Ladoga, Onega and Ilmen

The absolute height of the lakes of Ladoga, Onega and Ilmen: the fall of the river.Neva, Ladoga channels and RR.Sviri and Volkhov / Processed Alexei Tillo.- St. Petersburg: Type.Ministry of Railways (A. Benke), 1886. -[2], 37 p.: table .. - (Materials on gypsometry of European Russia).-Bibliogr.In the settling.Note..I. Tillo, Alexey 1.Territory (collection).Electronic copy source: PBOriginal storage: RSGMU