I haven't been boo-hooing at all with this. At least I don't think I've been....
Yup.....the others weren't as demarked by the highways as this one. But, I think it does demonstrate well how the highways are built through terrain in the same way that sensible weather often sets up.
I'm not sure which I'm more surprised by.....that there isn't another 20" one or that there's some semblance of doubt on your part as to whether there was one you're not thinking of.