M.G.Snowsky.Lakes and swamps of the Perm province.Delivered to a geographical society in 1850 Nick.Abramov, whose note on page 3...

M.G.Snowsky.Lakes and swamps of the Perm province.Delivered to a geographical society in 1850 Nick.Abramov, whose note on page 30, the turn is the following: "This description of all the lakes and swamps of the East Ural counties of the Perm province was delivered to the deceased real state adviser (former visitor of Siberian schools) Peter Andr. Slovtsov from the venerable and knowledgeable official M.G. Vnepnika" ,- There are notes on the manuscript: "According to general land surveying."- -.-Agreement No. 24 of 02/12/2016 category 29 of the manuscript of the works of members of the Russian Geographical Society and separate documents in the Perm province, case 10..Electronic copy source: PB