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United States Environmental Protection Agency
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Items Found: 23
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Your Search: (AUTHOR=Omernik AND J. AND A.)
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Arctic contamiants research program : research plan /
Correspondence between Spatial Patterns in Fish Assemblages in Ohio Streams and Aquatic Ecoregions.
Defining Regions for Evaluating Environmental Resources.
Ecological Regions versus Hydrologic Units: Frameworks for Managing Water Quality.
Ecoregions and Subregions of Iowa: A Framework for Water Quality Assessment and Management.
Ecoregions of Alaksa.
Ecoregions of Tennessee.
Ecoregions of the conterminous United States /
Ecoregions of the Upper Midwest States /
Ecoregions: A Spatial Framework for Environmental Management.
Improved Technique for Estimating Mean Depths of Lakes.
Interpreting Patterns of Lake Alkalinity in the Upper Midwest Region, USA.
Lake regions of Florida /
Level III and IV Ecoregions of Illinois.
Level III and IV ecoregions of Pennsylvania and the Blue Ridge Mountains, the central Appalachian Ridge and valley, and the central Appalachians of Virginia, West Virginia, and Maryland /
Regional Lake Quality Patterns: Their Relationship to Lake Conservation and Management Decisions.
Regional Reference Sites: A Method for Assessing Stream Potentials.
Significance of Regional Lake Quality Patterns to Management/Restoration of Specific Lakes.
Stream Nutrient Levels and Proximity of Agricultural and Forest Land to Streams: Some Relationships.
Summer Total Phosphorus in Lakes: A Map of Minnesota, Wisconsin, and Michigan, USA.
The Massachusetts Ecological Regions Project /
Total alkalinity of surface waters : New England and New York Region /
Total Alkalinity of Surface Waters: A Map of the Western Region.
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