International trade and the impact on the U.S. soda ash industry : hearing before the Subcommittee on International Trade of the Committee on Finance, United States Senate, One Hundred Eighth Congress, second session, Rock Springs, WY, April 15, 2004.
Imprint
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2004.
