. . . . . . . . . . "The Deepwater Horizon oil spill chain of command an examination of information sharing practices during a spill of national significance : field hearing before the Subcommittee on Management, Investigations, and Oversight of the Committee on Homeland Security, House of Representatives, One Hundred Eleventh Congress, second session, July 12, 2010"@en . . . . . . . . . . "The Deepwater Horizon oil spill chain of command : an examination of information sharing practices during a spill of national significance : field hearing before the Subcommittee on Management, Investigations, and Oversight of the Committee on Homeland Security, House of Representatives, One Hundred Eleventh Congress, second session, July 12, 2010"@en . . "Rules"@en . . . .