[There's a solemn looking 13 year old frowning thoughtfully at the question.]

The problem is the entire place isn't reliably laid out as it is. Have you been down to the caves? Mapping those is a nightmare. But you're not the first person to try it. I've got my own attempt, I've got one that's about as accurate as you can get.

[A beat.]

Um, not to assume or anything, but do you... need me to explain how to open attachments before I send it?