Is that level of rebar and random detritus common in SF urban landfill?
No, usually there's more.
You should keep the backhoe (or... Fronthoe?)
Great decoration, and potentially useful for disposing of unruly patrons.
Excavator, different than a backhoe.
How great is it that it's called Stomper?
If you stand still and are quiet, you may see some baby backhoes wander out and frolic.