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1
Census transportation planning package. MA (excl. Boston), ME, NH, VT : urban element.
[Washington, D.C.?] : Bureau of Transportation Statistics, U.S. Dept. of Transportation, 1997Format: Government Document Electronic Data Set -
2
1990 census transportation planning package. CT, MA, ME, NH, RI, VT.
[Washington, D.C.?] : Bureau of Transportation Statistics, U.S. Dept. of Transportation, 1994Format: Government Document Electronic Data Set