. . . . . . . . . . . . . "H.R. 1980, H.R. 2070, H.R. 2621, and H.R. 3155 : legislative hearing before the Subcommittee on National Parks, Forests, and Public Lands of the Committee on Natural Resources, U.S. House of Representatives, One Hundred Twelfth Congress, first session, Thursday, November 3, 2011"@en . . . "HR 1980, HR 2070, HR 2621, and H.R. 3155"@en . . .