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Search Results for the EPA National Library Catalog
Items Found: 4
Showing: Items 1 - 4
Your Search: (AUTHOR=Hawley AND John AND R)
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Year Published
1
Mine waste control in Ontario /
0
2
Sediment transport in the western tributaries of the Sacramento River, California /
1972
3
Sources of metals and metal levels in municipal wastewaters /
1978
4
The problem of acid mine drainage in the province of Ontario,
1972
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