Hi Galomorro -
LisaRuth here, one of the FoundSF.org administrators.
The photograph you included in this page was too big to be viewed fully so we resized it an uploaded it again. If you would like to contribute a page with information about 23 Alta, please feel free! If you are interested in uploading additional photos, for that page, or for any other topic/location, please use the following information when sizing your photo in photoshop or other editing software for best use on this site:
Maximum parameters: 72 dpi, 10 in wide, or a ratio close to 540x720 pixels approx. 135 KB.
Also, we invite you to answer the questions we've put together for new users, available here. We would love to know more about you and your interest in SF history!
23 Alta as it looked in the 1970s.