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.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2011.