803 resultados para Prohibition--Ohio--Columbus
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Cover-title.
The development of an improved railroad-highway grade crossing risk factor. Executive summry report.
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Ohio Department of Transportation, Columbus
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Ohio Department of Transportation, Columbus
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National Highway Traffic Safety Administration, Washington, D.C.
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"November 1980."
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Supported by the National Institute of Education, U.S. Dept. of Health, Education, and Welfare, under contract no. NIE-C-400-76-0122.
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Jan. 1979.
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Mode of access: Internet.
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Mode of access: Internet.
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Mode of access: Internet.