Rare earth minerals and 21st century industry hearing before the Subcommittee on Investigations and Oversight, Committee on Science and Technology, House of Representatives, One Hundred Eleventh Congress, second session, March 16, 2010

Federal perspective on a national critical materials strategy : hearing before the Subcommittee on Investigations and Oversight, Committee on Science, Space, and Technology, House of Representatives, One Hundred Twelfth Congress, first session, Tuesday, June 14, 2011

Energy critical elements : identifying research needs and strategic priorities : hearing before the Subcommittee on Energy and Environment, Committee on Science, Space, and Technology, House of Representatives, One Hundred Twelfth Congress, first session, Wednesday, December 7, 2011

H.R. 2011, "National Strategic and Critical Minerals Policy Act" and H.R. 1314, "Resource Assessment of Rare Earths Act of 2011" : legislative hearing before the Subcommittee on Energy and Mineral Resources of the Committee on Energy and Mineral Resources of the Committee on Natural Resources, U.S. House of Representatives, One Hundred Twelfth Congress, first session, Friday, June 3, 2011

Strategic and critical minerals policy : domestic minerals supplies and demands in a time of foreign supply disruptions : oversight hearing before the Subcommittee on Energy and Mineral Resources of the Committee on Natural Resources, U.S. House of Representatives, One Hundred Twelfth Congress, first session, Tuesday, May 24, 2011

Resource Assessment of Rare Earths Act of 2013 : report (to accompany H.R. 981) (including cost estimate of the Congressional Budget Office)

U.S.-Japan critical minerals agreement

U.S.-Japan critical minerals agreement