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- United States11
- United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Railroads, Pipelines, and Hazardous Materials, author8
- United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Railroads, Pipelines, and Hazardous Materials5
- United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Surface Transportation and Merchant Marine Infrastructure, Safety, and Security3
- United States. Congress. Senate. Committee on Foreign Relations3
- United States. Denali Commission Act of 19983
- United States. General and intermodal programs3
- United States. Appalachian Regional Development Act of 19652
- United States. Congress. House. Committee on Transportation and Infrastructure2
- United States. Congress. Senate. Committee on Commerce, Science, and Transportation, author2
- United States. Congress. Senate. Committee on Energy and Natural Resources, author2
- United States. Public Works and Economic Development Act of 19652
- Canada1
- Library of Congress. Congressional Research Service, issuing body1
- Luther, Linda1
- Parfomak, Paul W.1
- United States. Appalachian Regional Development Act of 19651
- United States. Congress. House. Committee on Transportation and Infrastructure1
- United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Energy and Environment1
- United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Energy and Environment, author1