User blog comment:JadenLan/New information about Remnant from WoR Vytal Tournament Festival/@comment-410526-20151010161931/@comment-26882656-20151010214009

Chishio read my blog post and didn't think it sucked, yay.

Anyhow. So you also think that Mistral has the largest quantities of dust. I'm now not so sure, actually.

Second episode: Weiss "This is Dust - mined and purified in the Schnee quarry!"

Which means that the digging and processing are at the same place.