Block plan blueprint for extended area including Presidio, national pavilions for Panama-Pacific International Exposition (1915) at California Historical Society. San Francisco, CA.

Block plan blueprint for extended area including Presidio, national pavilions for Panama-Pacific International Exposition (1915) at California Historical Society. San Francisco, CA.
Photo by Jim Steinhart © 2015, all rights reserved. (Ref: CAFNW043)

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California Historical Society Museum, San Francisco
Panama-Pacific Exposition 1915

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