United States. Congress. Senate. Committee on Commerce, Science, and Transportation.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2004.
2004
United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Surface Transportation and Merchant Marine.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2005.
2005
United States. Congress. Senate. Committee on Appropriations. Subcommittee on Transportation and Housing and Urban Development, and Related Agencies.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2008.
2008
United States. Congress. Senate. Committee on Commerce, Science, and Transportation.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2012.
2012
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Highways and Transit.
Washington : U.S. G.P.O. : For sale by the Supt. of Docs., U.S. G.P.O., 2007.
2007