Conformity under the Clean Air Act : : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Sixth Congress, first session, July 14, 1999.

Coverage: Washington : U.S. G.P.O. : 1999.

Volumes:

Conformity under the Clean Air Act : : hearing before the Committee on Environment and Public Works, United States Senate, One Hundred Sixth Congress, first session, July 14, 1999.