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Figure 5. An illustration from the report by the National Petroleum Council on Natural Gas showing estimated volumes of natural-gas resources that are subject to access restrictions. Significant amount of resource is subject to access restrictions. These areas are close to large and growing population centers. From NPC report on Natural Gas (12/15/1999)
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Figure 5. An illustration from the report by the National Petroleum Council on Natural Gas showing estimated volumes of natural-gas resources that are subject to access restrictions. Significant amount of resource is subject to access restrictions. These areas are close to large and growing population centers. From NPC report on Natural Gas (12/15/1999)