Nitrate in ground water : using a model to simulate the probability of nitrate contamination of shallow ground water in the conterminous United States /
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Author / Creator: | Hitt, Kerie J. |
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Imprint: | Reston, Va. : USGS National Water-Quality Assessment Program, 2005. |
Description: | 1 electronic map : HTML, digital, PDF file. |
Language: | English |
Series: | Scientific investigations map ; 2881 Scientific investigations map ; 2881. |
Subject: | |
Cartographic data: | No scale given. 125⁰--W 65⁰/N 50⁰--N 25⁰. |
Format: | E-Resource Map U.S. Federal Government Document |
URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/12690488 |
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