Well, no responses to our question:
When and where was a Visitation Monastery planned for Northern California? Which city and area?
So here’s the answer!
Monastery of the Visitation of the Blessed Virgin Mary in the Piedmont Hills of California, San Francisco, on Mount St. Margaret Mary
Never erected as far as we Visitandines know.
Here’s the book written about it:
and here: an actual article with photos in Art and Architecture Magazine!