Hanford: Secret Cities & Communities

Learn and Explore

With limited connections to the outside world, Hanford workers created new communities and bonded over their collective sacrifices and shared patriotism. The historic sites below provide a glimpse into life in the secret city of Richland and the surrounding communities during the Manhattan Project.

Scroll down for sites that explore the secret cities of the Manhattan Project 
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    Last updated: March 4, 2022

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    Contact Info

    Mailing Address:

    Manhattan Project National Historical Park
    c/o NPS Intermountain Regional Office
    P.O. Box 25287

    Denver , CO 80225-0287


    Hanford: 509.376.1647
    Los Alamos: 505.661.6277
    Oak Ridge: 865.482.1942

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