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Search Results : EPA National Library Catalog

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Select Item Title Year Published
  1 Biomonitoring EPA needs to coordinate its research strategy and clarify its authority to obtain biomonitoring data : report to congressional requesters. [electronic resource] : 2009
  2 Development of an approach for integrating components of the U.S. Geological Survey Biomonitoring of Environmental Status and Trends (BEST) and National Stream Quantity Accounting Network (NASQAN) programs for large U.S. rivers / 2005
  3 Development of an approach for integrating components of the U.S. Geological Survey Biomonitoring of Environmental Status and Trends (BEST) and National Stream Quantity Accounting Network (NASQAN) programs for large U.S. rivers {electronic resource} / 2005
  4 Ecological site inventory [electronic resource] / 2001
  5 Environmental information a road map to the future : policy recommendations from the Heinz Center / [electronic resource] : 2008
  6 Focus on climate change [electronic resource] / 2008
  7 Focus on contaminants [electronic resource] / 2008
  8 Focus on nitrogen [electronic resource] / 2008
  9 Focus on wildlife [electronic resource] / 2008
  10 Landscape pattern indicators for the nation [electronic resource] / 2008
  11 Summary and highlights the state of the nation's ecosystems : measuring the lands, waters, and living resources of the United States / 2002
  12 The state of the nation's ecosystems 2008 : measuring the lands, waters, and living resources of the United States / 2008
  13 The state of the nation's ecosystems 2008 measuring the lands, waters, and living resources of the United States. [electronic resource] : 2008
  14 The state of the nation's ecosystems : measuring the lands, waters, and living resources of the United States / 2002



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