Western Delaware Co.
The honest answer: We embarrassingly forgot about it as she was one of the first pieces of art to ever have been drawn.
Haha. That's pretty funny. I thought it might be something like that.
The official answer: We'll forge the narrative and explore it in great detail on a later story! Casey is closer to the truth than he knows! You never ask a girl about her tail.
You are in good company because going back and making the narrative fit is very Tolkein/Glorfindel-esque.