Search Results for the EPA National Library Catalog

Items Found: 4

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Your Search: (AUTHOR=Helz AND G. AND R.)

 
 
 

Select Item Title Year Published
Aquatic and surface photochemistry 1994
Chesapeake Bay sediment trace elements / 1981
Chesapeake Bay sediment trace elements / 1983
Trace elements in the sediments of Baltimore Harbor and Elizabeth River 1981

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