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March History
National Park Service. "March History." National Mall and Memorial Parks. https://www.nps.gov/nama/mow-history.htm.
Why this matters here
The National Park Service’s March History page estimates roughly 250,000 participants at the August 28, 1963 March on Washington and situates the gathering on the National Mall. The World We Make Together cites that attendance figure to reopen the photograph’s crowd as logistics—buses, trains, churches, unions, and networks—not a single face at a microphone. NPS provides the public-history estimate; the book asks what the image cannot show about how a shared public action was assembled.
