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1 janv. 1952 - 1952 年国会通过了《国家首都规划法》（National Capital Planning Act）国家首都规划委员会（NCPC）成立并成为国家首都地区的核心规划机构

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alley of American

7 mars 2020

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Date:

1 janv. 1952

Maintenaint

~ Il y a 73 ans

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