Crumbling infrastructure : examining the challenges of our outdated and overburdened highways and bridges : hearing before a subcommittee of the Committee on Appropriations, United States Senate, One Hundred Thirteenth Congress, first session, special hearing, June 13, 2013, Washington, DC.
|Format:||Government Document Online Book|
U.S. Government Printing Office,
|Series:||S. hrg. ;
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