USGS aerial imagery of an island in the w:San Francisco Bay Area. Original map is from 1954, at 1:24000 scale. Image cropped from USGS historical map, available from TopoViewer.
== {{int:filedesc}} == {{Information |Description=USGS aerial imagery of an island in the w:San Francisco Bay Area. Original map is from 1954, at 1:24000 scale. Image cropped from USGS historical map, available from TopoViewer. |Source=https://ngmdb.usgs.gov/topoview/viewer/ |Date=1954 |Author=USGS |Permission={{PD-USGov-USGS}} |other_versions= }} Category:Islands of California