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Minging.com 60 Science X network 12 EurekAlert 6
Minerals Council of 6 Science Daily 4 US Geological Survey 3
Commonwealth Scienti 2 EurekAlert! - Earth 2 Federal Environment 2
Eco-Business Researc 1 EurekAlert! 1 International Renewa 1
National Oceanograph 1 Organization for Eco 1 The European Environ 1
World Business Counc 1