In Russian. Pirogov, Boris Ivanovich. Mineralogical investigation of iron and manganese ores. Moscow: Nedra, 1973. Mineralogicheskoe issledovanie zheleznykh i margantsevykh rud. In Russian/Mineralogical study of iron and manganese ores. All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7324885