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* = Original cosponsor

CosponsorDate Cosponsored
Rep. Lamborn, Doug [R-CO-5] 09/15/2010
Rep. Markey, Betsy [D-CO-4] 09/28/2010
Rep. Salazar, John T. [D-CO-3] 09/28/2010
Rep. DeGette, Diana [D-CO-1] 09/28/2010