Cadma system


The Cadma system was introduced in the 2009 reference book The Essential Atlas, written by Daniel Wallace and Jason Fry, which placed it in grid square T-8.

Behind the scenes


The Cadma system was introduced in the 2009 reference book The Essential Atlas, written by Daniel Wallace and Jason Fry, which placed it in grid square T-8.

Sources


  • The Essential Atlas

Appearances