Search Results for the EPA National Library Catalog

Items Found: 4
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Your Search: (AUTHOR=Riggs AND John)


 
 
 
Select Item Title Year Published
Environmental effects of western coal surface mining. 1980
Study of water treatment practices for the removal of Giardia lamblia cysts 1989
U.S. policy on climate change : what next? a report of the Aspen Institute Environmental Policy Forum, January 11-14, 2002 / 2002
Viruses in water and reclaimed wastewater / 1984

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