Search Results for the EPA National Library Catalog

Items Found: 3

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Your Search: (AUTHOR=Clarke AND Sharon AND E.)


Select Item Title Year Published
Hierarchical subdivisions of the Columbia Plateau and Blue Mountain ecoregions, Oregon and Washington / 1996
Oregon, USA, ecological regions and subregions for water quality management / 1991
Summer total phosphorus in lakes : a map of Minnesota, Wisconsin, and Michigan, USA / 1988

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