H.R. 5066, "Data Preservation Act of 2014"; and H.R. 5176, to authorize the Secretary of the Interior to retire coal preference right lease applications for which the secretary has made an affirmative commercial quantities determination, and for other purposes : legislative hearing before the Subcommittee on Energy and Mineral Resources of the Committee on Natural Resources, U.S. House of Representatives, One Hundred Thirteenth Congress, second session, Wednesday, September 17, 2014.