caption: The image shows an old map of the city of San Francisco, California. It is a detailed map with text at the top and bottom of the image. The map is filled with various colors, indicating the different districts and streets of the area. The colors range from light blue to dark blue, with some areas having darker blue and others having lighter blue. The text on the map provides additional information about the city, such as the names of the streets, parks, and other landmarks.