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Dissertations and Theses Global |
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GEOBASE |
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GeoGratis |
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GeoRef |
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GeoScienceWorld |
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Lyell Collection: Geological Society Publications Online |
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National Geologic Map Database |
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OSTI.GOV |
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Scholars GeoPortal |
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ScienceDirect Journals |
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Scopus |
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Web of Science |
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Web of Science Core Collection |
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