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Yamagata, city (1990 pop. 249,487), capital of Yamagata prefecture, N Honshu, Japan. The city produces consumer goods, computer equipment, and cast metal and is the site of Yamagata Univ. Yamagata prefecture (1990 pop. 1,255,556), 3,607 sq mi (9,342 sq km), yields high quality rice. Lumber, fish, electrical machinery, paper, and silk are produced, and deposits of petroleum, zinc, and natural gas are exploited. It contains Bandai-Asahi National Park.

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