Description: This map from the U. S. Geological Survey Open-File Report number 2004-1438, Quality of Ground Water in the Biscayne Aquifer, shows the regional pattern of occurrence of the pesticide simazine detected in samples from public-supply wells in the Biscayne aquifer. Source: A. Bradner, B. F. McPherson, R. L. Miller, G. Kish, and B. Bernard, USGS Open-File Report 2004-1438 (Reston, VA: U. S. Geological Survey, 2005) Map Credit: Courtesy the University of South Florida Library |
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