Without digging in to the numbers further than just looking at this map, could this be because the relative areas of the factors you listed didn't pass a threshold to make it? @ezmack what data source was used for this?
I think you might underestimate golf course land use, as well as miss that a lot of that mightve just been counted with the surrounding neighborhoods, since that's more of a community service
Well, I grew up on 60 acres with like 18 horses and 25 goats. Can't say I've visited every farm out there to know how large or how cramped they might be.