America's lost landscape : the tallgrass prairie

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Summary

Discusses one of the world's great ecosystems and its transformation from natural landscape to farmland; once a prominent feature of the North American continent reduced, in less than a century, to...

Discusses one of the world's great ecosystems and its transformation from natural landscape to farmland; once a prominent feature of the North American continent reduced, in less than a century, to the vanishing point.

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