Search Results for the EPA National Library Catalog

Items Found: 7

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Your Search: (SUBJECT=Great Lakes Watershed North America Environmental conditions.)

 
 
 

Select Item Title Year Published
A Conceptual approach for the application of biological indicators of ecosystem quality in the Great Lakes Basin : a joint effort of the International Joint Commission and the Great Lakes Fishery Commission / 1985
A guide to the Great Lakes Water Quality Agreement : background document for the 2006 Governmental Review / 2005
Activities report for period ending December 23, 1987 / 1987
Advice to governments on their review of the Great Lakes Water Quality Agreement : a special report to the governments of Canada and the United States / 2006
Nitrates and phosphorus runoff losses from small watersheds in Great Lakes Basin, 1978
State of the Great Lakes 2007 : highlights / 2007
State of the Great Lakes, 2009 : highlights. 2009

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