- "Everybody fall back to the G-Tap. The Imperials are all over this place. Fall Back!"
- ―Morgan Katarn
Its upper end was located in a cavern which provided also protection from air attack, amidst temporary buildings and structures
Volcanic action warmed crustal rock formations, compiled with an upwelling of magma, and the natural decay of potassium, thorium, and uranium. Heated water, bumped to the surface, would bring isobutane to a boil which would be forced through power-generating turbines.