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Public domain document "Strategic Significance of America s Oil Shale Resource Volume I Assessment of Strategic Issues": see [http://www.fossil.energy

English applies to jurisdiction: United States of America determination method: work of the federal government of the United States determination method: SHA-1

DescriptionProduction of oil shale-ar.png العربية: إنتاج الصخر الزيتي في الملايين من الطن المتري 1880-2010 English: Production of oil shale in millions of metric

English applies to jurisdiction: United States of America determination method: work of the federal government of the United States