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National Highway Utility Conference (4th : 1994 : Louisville, Ky.)
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Watershed '93 (1993 : Alexandria, Va.)
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Devore, John J., author.
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United States. Federal Highway Administration.
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United States. Federal Highway Administration.
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Integrating Transportation Management Systems into Transportation Planning and Operations National Conference (1993 : Nashville, Tenn.)
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United States. Federal Transit Administration. Office of Budget and Policy.
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United States. Department of Transportation. Office of the Secretary.
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United States. Environmental Protection Agency. Office of Solid Waste and Emergency Response.
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