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Science 21 March 2003:
Vol. 299. no. 5614, p. 1835
DOI: 10.1126/science.299.5614.1835
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News Focus

CONSERVATION:
Unwelcome Bison May Face a DNA Test

Anne Minard

GRAND CANYON, ARIZONA--Biologists at Grand Canyon National Park want to remove a bison herd that they say is creating mud and dust wallows on the park's North Rim, crushing native grasses, and trampling archaeological sites. The tools of modern genetics could help them determine whether this troublesome herd has a historical right to roam the Grand Canyon.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)