Surface and subsoil.1916. No. 1. April

Surface and subsoil: monthly journal., Dedicated.study and methods of using natural.wealth.- Leningrad: surface and subsoil, 1916-1928.-.1. The people (collection).Electronic copy source: PBOriginal storage place: Military Historical Library1916. No. 1. April.- Petrograd: S.F.Malyavkin, P.I.Palchinsky, 1916. -52 p., 5 liters.cards., table.: il., schemes., table .. -Publishers: Mountain engineer S.F.Malyavkin, mountain engineer P.I.Palchinsky.On the region: Zhurn., Dedicuated.study and methods of using natural.the wealth of Russia.Bibliogr.In the text and subscription.Note..1. The people (collection).Electronic copy source: PBOriginal storage place: Military Historical Library