Search Results for the EPA National Library Catalog

Items Found: 7
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Your Search: (AUTHOR=Welch AND Paul AND S)


 
 
 
Select Item Title Year Published
A feasibility demonstration of an aerial surveillance spill prevention system / 1972
Aerial spill prevention surveillance during sub-optimum weather / 1973
Chemical scoring system development 1981
Culture methods for invertebrate animals; 1937
Limnological methods / 1948
Limnological methods. 1948
Limnology / 1952

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