Most of the photos on this site were extracted from reference images (high-resolution tiffs, 20 to 200 megabytes in size) from the Library of Congress research archive. (To query the database click here.) Many were digitized by LOC contractors using a Sinar studio back. They are adjusted by your webmaster for contrast and color in Photoshop before being downsized and turned into the jpegs you see here.

"Palace Hotel, New Montgomery Street." San Francisco in the aftermath of the earthquake and fire of April 18, 1906. 8x10 glass negative. View full size.
The Smithsonian has posted larger versions of the recently-discovered natural-color post-earthquake photos here. Not only are they possibly the earliest color photos of San Francisco, they're also 3-D.

As seen here, the fire was so intense that it scoured away even the plaster from the brick walls inside the hotel. The Central Pacific Railroad Photographic History Museum hosts an excellent online presentation of Palace Hotel photos and commentaries.
Here's an 1895 photo of the hotel's exterior, and a 1904 photo of the newly remodeled carriage court entrance, transformed into a vast atrium lobby.


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