Go to the San Francisco Public 
Library home page
Photo Id# AAA-7127
Title [Union Square, S.F., before 1906] [graphic].
Date [between 1867 and 1894]
Description 1 photographic print : b&w. ; 12 x 19 cm. (5 x 7 1/2 in.)
Location Folder: S.F. Parks-Union Square-Pre 1906.
Reproduction Rights Permission to use this image must be obtained from the San Francisco History Center, San Francisco Public Library: www.sfpl.org/permissions.
Subject Parks -- Union Square.
San Francisco (Calif.) -- Photographs.
Series San Francisco Historical Photograph Collection