USGS

Figure 5. Nitrite plus nitrate as nitrogen concentrations in water samples collected on the Little, Witchlacoochee, and Suwannee River

U.S. Department of the Interior, U.S. Geological Survey
Maintainer: USGS Florida Webmasters
Last update: 20:06:27 Fri 28 Dec 2012
URL: http://fltlhsr002.er.usgs.gov/Gafl/Abstracts/ofr94103/fig05.html