Caption: Symbol 60107 A depicts the Sulphur Chlorine Building at the Edgewood Arsenal in Maryland, operated by the Chemical Warfare Service during World War I. This photograph was taken on August 20, 1918, by photographer Seco. It is part of a collection titled Photographs of American Military Activities during World War One.

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Size: 8394px × 5734px
Photo credit: © piemags/NSC / Alamy / Afripics
License: Licensed
Model Released: No

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