Images for the building Union Iron Works Company, Foundry #1, South of Market, San Francisco, CA

click to open gallery Exterior view of the Union Iron Works Company, Foundry #1, San Francisco, CA, c. 1850. From the San Francisco Public Library (SFPL), San Francisco Historical Photograph Collection, Item #AAK-1204
Pacific Coast Architecture Database (PCAD) — © 2005-Alan Michelson

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