Search Results for the EPA National Library Catalog

Items Found: 4

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Your Search: (AUTHOR=Ritter AND William AND F.)

 
 
 

Select Item Title Year Published
Agricultural nonpoint source pollution : watershed management and hydrology / 2001
Dairy manure management : a supplement to Delaware guidelines-manure management for environmental protection / 1989
Nutrient budgets for the inland bays 1986
Water quality feasibility study of Blairs, Griffith, and Haven Lakes 1982

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