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the majority of the 1 billion barrel oilfields were discovered before 1971 - https://en.m.wikipedia.org/wiki/List_of_oil_fields https://en.m.wikipedia.org/wiki/
by neocodesoftware 7y ago
the majority of the 1 billion barrel oilfields were discovered before 1971 - https://en.m.wikipedia.org/wiki/List_of_oil_fields https://en.m.wikipedia.org/wiki/List_of_oil_fields