"The map of the Invensky District of the Perm province., Compiled on the basis of a forest survey, ended in 1851, and fixed in 1...

"The map of the Invensky District of the Perm province., Compiled on the basis of a forest survey, ended in 1851, and fixed in 1856.Heck.Prokopiy Peter Procopius.Plyuskin in 1856. "- -.-XIX century.;Kart.Additional.190;65 x 75;Additional Agreement No. 1 of May 21, 2021 to the contract.No. 90-19 dated August 27, 2019 (Ban)..Electronic copy source: ban