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Transbaikal Hydrometeorological Service Administration in the Chita Region
USSR. Chita Region. Hydro-observer of the Transbaikal Hydrometeorological Service Department Petr Ostapenko, monitoring the water flow at the source of the Chara River at the construction site of a section of the Baikal-Amur Mainline. Grigory Kalachyan/TASS