12. DEPRESSION BEAM: Photocopy of a July 1966 photograph...
12. DEPRESSION BEAM: Photocopy of a July 1966 photograph showing a California-type depression beam. - San Francisco Cable Railway, Washington & Mason Streets, San Francisco, San Francisco County, CA
4 x 5 in.
- Historic American Buildings Survey/Historic American Engineering Record/Historic American Landscapes Survey
- Album: All photos