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Novgorod branch of the Institute "Lengiprovodkhoz"
April 1-7, 1976. USSR. Novgorod Region. Specialists of the soil and ground laboratory of the Novgorod branch of the Institute "Lengiprovodkhoz", zootechnician N. Dmitrieva and engineer A. Sinkova (from left to right) during a mechanical analysis of the soil of the "Yermolinsky" state farm. The exact date of the photo is not established. Alexander Ovchinnikov/TASS