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a city, center of Kologriv Raion, Kostroma Oblast, RSFSR. Landing on the Unzha River, a tributary of the Volga, 85 km north of the Manturovo railroad station on the Bui-Kirov line. Kologriv has a logging and timber distribution establishment, a plant for the production of reinforced-concrete structures, and a creamery. Also in the city are a zootechnical technicum and a museum of local lore.