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![Century 21 Exposition Development Plan (ddr-densho-280-15)](https://ddr.densho.org/media/cache/48/76/4876e1d0ad7d62e18e58bd5800897eb1.jpg)
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Century 21 Exposition Development Plan (ddr-densho-280-15)
Development Plan map of the Century 21 Exposition at the Seattle World's Fair.