Description: This map from the U. S. Geological Survey Water Resources Investigation Report number 01-4008, Ground-Water Quality of the Surficial Aquifer System and the Upper Floridan Aquifer, Ocala National Forest and Lake County, 1990-99, shows the concentrations of nitrate measured in milligrams per Liter in samples from springs and wells tapping the Upper Floridan aquifer system in the study area.
Source: J. C. Adamski and L. Knowles, Jr., USGS Water Resources Investigations Report 01-4008 (Tallahassee, FL: U. S. Geological Survey, 2001) 32
Map Credit: Courtesy the University of South Florida Library |
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