Yes. And any tall building in SF's Embarcadero stands in defiance of the need for bedrock. A lot of the land there is just old, accidental landfill. Also, I th

Yes. And any tall building in SF's Embarcadero stands in defiance of the need for bedrock. A lot of the land there is just old, accidental landfill. Also, I think, but, I'm not sure, that they built this extremely large, heavy structure right over the bay itself a few years back, something about helping cars get from Oakland to SF and back. I don't know how much bedrock they found underneath the supports for that thing, whatever it's called. Can't seem to remember its name ...