On the determination of navigation periods for various seaside areas of Russia.October 1-6.

On the determination of navigation periods for various seaside areas of Russia.October 1-6 / Council of Ministers.- 1914. -8 l .. - (Council of Ministers .. Inventory inventory No. 10. 1914.).-Message routes.Film..I. Council of Ministers ..Electronic copy source: RGIAOriginal storage location: RGIA f.1276 op.10 d.488