H.R. 3490, H.R. 3522, H.R. 5608, H.R. 5680, and S. 2457 : legislative hearing before the Committee on Natural Resources, U.S. House of Representatives, One Hundred Tenth Congress, second session, Wednesday, April 9, 2008.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2008.