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2000assessment
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Asia Pacific
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Central and South America
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Coalbed methane resources
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Economic geology
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Europe
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Former Soviet Union
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Gas province
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Gas resource assessment
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Geologic province
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Natural gas liquids resource assessment
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North America
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Oil and gas resource assessment
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Oil province
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Oil resource assessment
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Oil sand resources
Oil shale resources
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South Asia
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Sub-Saharan Africa and Antarctica
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World
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economy
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environment
geoscientificInformation
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