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Once upon a time building Washington Subway (historical photos)
Washington Metropolitan Area Transit Authority (WMATA) construction photos.
https://ggwash.org/view/78210/check-out-this-treasure-trove-of-wmata-construction-photographs
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://ggwash.org/view/78210/check-out-this-treasure-trove-of-wmata-construction-photographs
Check out this treasure trove of WMATA construction photographs
ggwash.orgThe George Washington University Archives released a mother lode of digitized photographs showing the construction of Metro. This amazing cache of hundreds of pictures showcases several segments of the system while actively under construction, as...