Description: This map from the U. S. Geological Survey Circular 1134, The South Florida Environment, shows the hydrologic features and the natural direction of surface water and coastal water flows under predevelopment conditions in south Florida. Source: B. F. McPherson and R. Halley, USGS Circular 1134 (Washington, DC: U. S. Government Printing Office, 1996) 16 Map Credit: Courtesy the University of South Florida Library |
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