Cinder block construction. Greenbelt, Maryland. Sourced from the Library of Congress. https://www.rawpixel.com/image/12310108/image-person-sky-public-domainFree Image from public domain license
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[Untitled photo, possibly related to: workers on Newport News Homesteads, Virginia]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12317427/photo-image-hand-person-public-domainFree Image from public domain license
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[Untitled photo, possibly related to: Unloading pipe with crane, Greenbelt, Maryland]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12310112/image-person-sky-technologyFree Image from public domain license
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