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ABSTRACT
The soil adjacent to 12 highways in the Minneapolis-St. Paul metropolitan area had lead accumulations in the range of 128 to 700 ppm. The lead concentrations found were related to traffic volume and distance from the highway.
1 Contribution from the Department of Soil Science, University of Minnesota, Paper no. 1303, Miscellaneous Journal Series Minn. Agr. Exp. Sta.
2 Graduate Research Assistant and Associate Professor of Soil Science, respectively, University of Minnesota.
Received for publication August 14, 1968. Accepted for publication November 4, 1968.
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