USGS Photo: St. Francis Dam Flood March 12-13, 1928. Flood-twisted railroad track between Castic Junction and Piru, California. March 18, 1928.
From USGS via Geology.com:
...Public users are welcome to visit any of the USGS libraries and use their collections; libraries are open Monday through Friday, except Federal holidays...
To borrow materials from a USGS library, members of the public must work through their local library (public, university, or corporate) to request the materials via interlibrary loan....
The USGS Libraries Program offers an electronic reference service. If you are a student, teacher, or researcher, you may request assistance in finding information on Earth and natural science topics(http://library.usgs.gov/ext_request.html).
Web Sites
Library http://library.usgs.gov/
Publications Warehouse http://pubs.usgs.gov/
Photographic Library http://libraryphoto.cr.usgs.gov/
