Article: The time-warp trees of Comanche country. (Oklahoma sugar maples)

When university botanist Paul Buck takes core samples of sugar maple trees, there's a good chance his work might be interrupted by the buzzing posterior of a diamondback rattlesnake or the midsummer tantrum of a buffalo bull. Buck has done much of his research in the Wichita Mountains of southwest Oklahoma, a place that seems about as likely a home for maple trees as south Texas is for Eskimos.

The rugged granite Wichitas thrust up out of the prairie like some giant tumbledown tombstone. This federal wildlife refuge hosts a herd of about 800 buffalo, plus healthy populations of elk, deer, coyotes, collared lizards-and sugar maples, Acer saccharum, the same tree ...

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