Search Results for the EPA National Library Catalog

Items Found: 3

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Your Search: (AUTHOR=Walker AND Henry AND A.)


Select Item Title Year Published
Ground-water development in three areas of central Illinois / 1961
Public and industrial water supplies of the Jackson Purchase region, Kentucky, by H.L. Pree, Jr. and W.H. Walker. 1953
Special issue : indicators in health and ecological risk assessment / 2001

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