Search Results for the EPA National Library Catalog

Items Found: 5

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Your Search: (AUTHOR=Hawley AND John AND R.)

 
 
 

Select Item Title Year Published
Mine waste control in Ontario 1977
Problem of acid mine drainage in the province of Ontario, 1972
Sediment transport in the western tributaries of the Sacramento River, California, 1972
Sources of metals and metal levels in municipal wastewaters / 1978
Use, characteristics and toxicity of mine-mill reagents in the province of Ontario, 1972

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