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Science 11 June 2004:
Vol. 304. no. 5677, p. 1617
DOI: 10.1126/science.304.5677.1617
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News

From Alaska to Yucatan, a Long-Awaited Soil Survey Takes Shape

Fiona Proffitt

The U.S. Geological Survey and a handful of other agencies are planning a soil geochemical survey of all of North America.

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