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Hermann J. Wiemer Vineyard owners, Fred Merwarth, right, and Oskar Bynke for The Wall Street Journal

Hermann J. Wiemer Vineyard owners, Fred Merwarth, right, and Oskar Bynke for The Wall Street Journal

Hermann J. Wiemer Vineyard owners, Fred Merwarth, right, and Oskar Bynke stand between Reisling vines at the vineyard in Dundee, NY, Saturday, July 27, 2013.
CREDIT: Heather Ainsworth for The Wall Street Journal
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