Road and street length and financing.
Voies publiques: longueur et financement.

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Item Link Original Source
Limited (search only)   1971 University of Michigan
Limited (search only)   1972-1973 University of Michigan
Limited (search only)   1974 University of Michigan
Limited (search only)   1974 Northwestern University
Limited (search only)   1974-76 University of California
Limited (search only)   1975 Northwestern University
Limited (search only)   1976 Northwestern University