[quote=@Aphelion]
Not to delve too much into spoiler territory, but would Lumenaria or any other characters be capable of acquiring a crude map of the Magicite Mine? Or are we mapping it as we go? 

Having a crude map might be nice for adventuring in daily.
[/quote]

I think that one of Galren's jobs is to 'be the map' by studying, and 'feeling' the land around him, buuut if you want a paper copy, suit yourself.