Two aerial views of facilities believed to be associated with the U.S. Department of Agriculture.
|Original file type||TIFF|
|View in library catalog|
“Aerial View of U.S. Department of Agriculture Facilities,” circa 1930. Travis P. Hignett Collection of Fixed Nitrogen Research Laboratory Photographs, Box 3. Science History Institute. Philadelphia. https://digital.sciencehistory.org/works/db78tc27r.
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