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Yale’s Graduate School of Arts & Sciences created Photogrammar:
Photogrammar is a web-based platform for organizing, searching, and visualizing the 170,000 photographs from 1935 to 1945 created by the United States Farm Security Administration and Office of War Information (FSA-OWI).
The platform enables users to view the photos through an interactive map and other visualizations like a treemap.
Photogrammar has over 1400 photos taken in Minnesota.
Read more about the project on Popular Photography.