Summary of national transportation statistics.
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| New Title: | Energy statistics National transportation statistics |
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| Corporate Author: | |
| Format: | Serial |
| Language: | English |
| Published: |
Washington,
U.S. Dept. of Transportation, Office of the Secretary, Assistant Secretary for Policy, Plans, and International Affairs; for sale by the Supt. of Docs., U.S. Govt. Print. Off.
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