| http://www.w3.org/ns/prov#value | - Comments are off for this post UPI article by Daniel J. Graeber published 12 March 2015 Shell???s preliminary drilling program in arctic waters offshore Alaska in 2012 was plagued by problems, including a grounded drilling rig, violations of air pollution limits, engine failures on a tow ship and an oil spill containment system damaged during testing.
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