Short description: In Russian. Kolenko, Boris Zakharovich. Petrographic sketches. Rocks of exposures on the Krugobaikal Railway. Moscow: Assn. Scientific and Research Instructions at the Physical and Mathematical Faculty of the 1st Moscow State University, 1929. The image is provided for reference only. It may reflect condition of one of the available copies or only help in identifying the edition. Please feel free to contact us for a detailed description of the copies available. SKU8977367