Description: This map from the U. S. Geological Survey Water Resources Investigation Report number 99-4002, Water Withdrawals, Use, Discharge and Trends in Florida, 1995, shows the breakdown of hydrologic unit codes for the drainage basins in the state of Florida. The map is broken down into subregions, accounting units, and cataloging units. The state of Florida is in hydrologic region 03. Source: Richard L. Marella, USGS Water Resources Investigations Report 99-4002 (Tallahassee, FL: U. S. Geological Survey, 1999) 50 Map Credit: Courtesy the University of South Florida Library |
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