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PESTICIDE PROJECT

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This map is from the Pesticide National Synthesis Project of the U. S. Geological Survey's National Water Quality Assessment Program. The maps are based on state-level estimates of pesticide use rates for individual crops, which have been compiled by the National Center for Food and Agricultural Policy (NCFAP) for 1991-1993 and 1995, and on county-based crop acreage data obtained from the 1992 Census of Agriculture. For more information see http://ca.water.usgs.gov/pnsp/use92/