This was done for Pacific Railway Advertising Company, the people who put billboards in the street cars. I did quite a series for them, like the ones of the street scenes of San Francisco that I did in montage style - I'm very fond of those; I think they're very valuable. This one was taken down at the old Ferry Building where they had the big turn-around. The conductors would take fares or guide people to where they needed to go" (Roger Sturtevant, interview with Joyce Minick, transcribed onto catalog sheet)