Hi guys, New to the list. I have a question about a location, a business, in San Francisco that existed around 1889 and 1890. The location was 218 Minna and the business name was P. M. SS. Company. Could you please tell me what the business was (the person who owned it was a cooper, his name was Crawford Graham) and what the initials stand for? I have looked at mapquest.com but the street numbers seem to skip the 200 block of Minna. Be curious as to what is at that location now. Looks like some kind of big park. There's a big space of green grass and trees. Thank you very much for your time and information. Cindy