Congress members seek investigation of Shell barge - Article Photos 9/13

A photo provided by the U.S. Coast Guard shows a salvage team wrapping up lines from an emergency towing system delivered to the deck of the petroleum drilling ship Kulluk Wednesday, Jan. 2, 2013, in the Gulf of Alaska. The grounding of the drill ship on a remote Alaska island has refueled the debate over oil exploration in the U.S. Arctic Ocean. (AP Photo/U.S. Coast Guard)