Search Results for the EPA National Library Catalog

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Your Search: (AUTHOR=Shaffer AND Paul AND R)


 
 
 
Select Item Title Year Published
Estimating critical loads of sulfate to surface waters in the Northeastern United States : a comparative assessment of three procedures for estimating critical loads of sulfate for lakes / 1991
Factors affecting the long-term response of surface waters to acidic deposition : state-of-the-science / 1986
Rocks and minerals : a guide to familiar minerals, gems, ores, and rocks / 1961

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