USGS

Map of wells with nitrate data available

Figure 4. Number of wells for which nitrate data are available, with nitrate analyses by county.

U.S. Department of the Interior, U.S. Geological Survey
Maintainer: USGS Florida Webmasters
Last update: 08:53:18 Tue 22 Jun 2004
URL: http://fltlhsr002.er.usgs.gov/Gafl/Abstracts/ofr93478/fig04.html