[quote=Omega]
We are not in the Screaming Vortex but my own homebrew area. Geminus Sector, the region is known as "The Trail of Dust."
[/quote]

Right, changed it to that, then. :p

Which means, which of the following do you want rolls for:

Common Lore (Imperium)
Common Lore (Geminus Sector)
Forbidden Lore (Adeptus Mechanicus)