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Organization for transportation in the National Capital Region
1960
Persistent link: https://www.econbiz.de/10003197347
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Transit program for the National Capital Region
1963
Persistent link: https://www.econbiz.de/10003261200
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Washington, D. C., metropolitan transit authority
1956
Persistent link: https://www.econbiz.de/10003267779
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Washington national airport
1961
Persistent link: https://www.econbiz.de/10003267923
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Water supply
Levin, Gilbert V. - 1958
Persistent link: https://www.econbiz.de/10003270975
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Rail passenger service in the Northeast Corridor, 1947-63
Smerk, George M. - In: The quarterly review of economics and business : … 7 (1967) 1, pp. 5-19
Persistent link: https://www.econbiz.de/10002821376
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Air pollution in the National Capital area
Welsh, Gene B. - 1962
Persistent link: https://www.econbiz.de/10002983719
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Nongovernmental organizations and metropolitan affairs
United States / Congress / Joint Committee on … - 1959
Persistent link: https://www.econbiz.de/10002956089