Image:San Francisco City Hall 1906-04-20.jpg

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[edit] Summary

Description	San Francisco, California, Earthquake April 18, 1906. City Hall. April 20, 1906.
Source	U.S. Geological Survey Photographic Library, Mendenhall, W.C. 707, digital file mwc00707. Modifications: perspective correction, denoising, sharpening.
Date	April 20, 1906
Author	Walter Curran Mendenhall
Permission (Reusing this image)	"The photographs are not copyrighted and may be viewed and downloaded free of charge."[1]

[edit] Licensing

This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of Interior. For more information, see the official USGS copyright policy

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	Date/Time	Dimensions	User	Comment
current	00:40, 5 March 2005	1,400×1,000 (421 KB)	MarkSweep	(San Francisco, California, Earthquake April 18, 1906. City Hall. April 20, 1906.<br/>Digital File:mwc00707 {{PD-USGov-USGS}})