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Figure 2. Graph depicting resource estimates of U.S. crude oil resources with respect to cumulative production. The estimates were made by various groups through time. The most recent (labeled I) is that of the U.S.G.S. and Minerals Management Service.
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Figure 2. Graph depicting resource estimates of U.S. crude oil resources with respect to cumulative production. The estimates were made by various groups through time. The most recent (labeled I) is that of the U.S.G.S. and Minerals Management Service.