Investigation of the soil of lakes in Russia. Lake Ladozhskoe. In Russian/Issledovanie grunta ozer Rossii. Ladozhskoe ozero. St. Petersburg Typography by M. Stasyulevich. 1905. 28s. 1. Report on the trip in 1901. 2. Materials on the study of the Ladoga Lake soil (chemical analysis of soil samples). Please contact us for details on condition of available copies of the book. SKUalbea19b2b640f0f508.