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* = Original cosponsor
CosponsorDate Cosponsored
Sen. Barrasso, John [R-WY]* 03/10/2011
Sen. McCain, John [R-AZ]* 03/10/2011
Sen. Vitter, David [R-LA]* 03/10/2011
Sen. Enzi, Michael B. [R-WY]* 03/10/2011
Sen. Crapo, Mike [R-ID]* 03/10/2011
Sen. Moran, Jerry [R-KS]* 03/10/2011
Sen. Murkowski, Lisa [R-AK] 03/14/2011