Description: This map from the U. S. Geological Survey Water Resources Investigation Report number 96-4177, Water-Quality Assessment of Southern Florida, shows estimated total nitrogen loads for selected canal and river outflows in kilograms per year. The map also indicates direction of flow or discharge and the surface water gaging station locations. Source: K. H. Haag, R. L. Miller, L. A. Bradner, and D. S. McCulloch , USGS Water Resources Investigations Report 96-4177 (Tallahassee, FL: U. S. Geological Survey, 1996) Map Credit: Courtesy the University of South Florida Library |
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