Old photo of a large building in the middle of a street

Black and white photo of men working on machines in a factory

Old topographic map of the city of San Francisco

Group of people standing next to each other near a tree

Interior of a church with wooden pews

Group of men sitting on top of a hill

Group of men standing around a table in a factory

Group of people standing around a table in a room

Man with a beard and a hat standing in the center of the frame