H.R. 86, H.R. 118, H.R. 1925, H.R. 2689, H.R. 2781 & H.R. 2888: Legislative Hearing before the Subcommittee on National Parks, Forests and Public Lands of the Committee on Natural Resources U.S. House of Representatives. 111th Cong., 1st Sess. (2009). Hearing Report.