Final report.
Saved in:
| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
[Washington, D.C.] :
Dept. of Commerce,
1961-1963.
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| Subjects: |
| Item Description: | "Study conducted under the sponsorship of Commonwealth of Pennsylvania, Dept. of Highways, County of Allegheny [and] City of Pittsburgh in cooperation with U. S. Department of Commerce, Bureau of Public Roads." |
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| Physical Description: | 2 v. : ill., maps (some col.) ; 32 cm. |