Public domain photos

The image shows an old map of the city of San Francisco, California, with a detailed plan of the fortifications and text written on the paper. The fortifications are clearly visible, with the text providing additional information about the area.

The image shows an old map of the city of San Francisco, California, with a detailed plan of the fortifications and text written on the paper. The fortifications are clearly visible, with the text providing additional information about the area.Open in library