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Have U.S. surface waters responded to the 1990 Clean Air Act amendments?
Kahl JS, Stoddard JL, Haeuber R, Paulsen SG, Birnbaum R, Deviney FA, Webb JR, DeWalle DR, Sharpe W, Driscoll CT, Herlihy AT, Kellogg JH, Murdoch PS, Roy K, Webster KE, Urquhart NS. Kahl JS, et al. Among authors: urquhart ns. Environ Sci Technol. 2004 Dec 15;38(24):484A-490A. doi: 10.1021/es040686l. Environ Sci Technol. 2004. PMID: 15669297 Review. No abstract available.
Patterns of spatial autocorrelation in stream water chemistry.
Peterson EE, Merton AA, Theobald DM, Urquhart NS. Peterson EE, et al. Among authors: urquhart ns. Environ Monit Assess. 2006 Oct;121(1-3):571-96. doi: 10.1007/s10661-005-9156-7. Epub 2006 Aug 1. Environ Monit Assess. 2006. PMID: 16897525