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RT @USGS_Pubs: New chapters released in the 2008 Circum-Arctic Resource Appraisal https://t.co/ik6miR2QrQ https://t.co/ncrPWL03wL
RT @USGS_Pubs: New chapters released in the 2008 Circum-Arctic Resource Appraisal https://t.co/ik6miR2QrQ https://t.co/ncrPWL03wL
New chapters released in the 2008 Circum-Arctic Resource Appraisal https://t.co/ik6miR2QrQ https://t.co/ncrPWL03wL
RT @usgsenergy: The 2008 Circum-#Arctic Resource Appraisal: https://t.co/EZvIuaXIJX #petroleum https://t.co/LE3GAhbnUA
RT @usgsenergy: The 2008 Circum-#Arctic Resource Appraisal: https://t.co/EZvIuaXIJX #petroleum https://t.co/LE3GAhbnUA