Presidio of San Francisco, Gun Emplacements, U.S. 101 & I-480, San Francisco, San Francisco County, CA
Summary
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Tags
Date
1980
Contributors
Historic American Buildings Survey, creator
Mason, Anne, transmitter
Location
San Francisco, California, United States, 37.77493, -122.41942
Source
Library of Congress
Copyright info
No known restrictions on images made by the U.S. Government; images copied from other sources may be restricted. http://www.loc.gov/rr/print/res/114_habs.html