Michael Mary Grid
Known subsidiary networks [of the NRG Grids] exist at every Planet Stargate, Michael Mary Reversal in Calgary, The Cathar Grid lines (S. France), False Dragon/Snake Networks in Asia. All are collected and returned to UK for distribution off planet.
Reference
Energetic Synthesis Forum: Mission Briefing on NRG, January 22, 2012 (Entry #41632)
Term first found: Page 88, HGS Manual