Autoria(s):
United States.
Bureau of Public Roads.
Data(s)
31/12/1969
Resumo
Mode of access: Internet.
No. 1-20, 1893-1896 issued by U.S. Dept. of Agriculture, Office of Road Inquiry; no. 21-26, 1901-1903 by U.S. Dept. of Agriculture, Office of Public Roads Inquiry; no. 27-48 by U.S. Dept. of Agriculture, Office of Public Roads.
Continued in the Bulletin of the Dept. of Agriculture.
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