Report of the main hydrographic department of the maritime ministry .... for 1911.For 1911

Report of the main hydrographic department of the maritime ministry ... / Ch.Hydrographic UPR.Marine Mr.- Petrograd, 1918. -.I. Russia.The main hydrographic control.People (collection).Electronic Source: PBPlace of Storage Original: RGOFor 1911: for 1911.- Type of.Marine Mr., 1912. - [236] p.section.Pag.: Il., Table .. -.1. People (collection).Electronic Source: PBPlace of Storage Original: RGO