Meteorological observations. 1930. April. Table of meteorological observations

Description	Meteorological observations 1930. April: Table of meteorological observations / Office of the Unified Hydrometeorological Service, GGO. - 1930. - [4] p. : tab. - Handwritten text. . I. Main Geophysical Observatory. AI Voeikov (Leningrad). II. Management of a single hydrometeorological service. Territory (collection). Source of electronic copy: PB Location of original: СЗ УГМС