Two great mesas border Wyllin's Gulch. As the Essentia Rush took hold, powerful moguls established processing plants up their sides — belching factories whose massive conveyor lifts haul tons of essentia to the manufactories that process the crystals into the conductive batteries most folk use to power their homes, weapons, and all manner of magical items.
The Harlan Family hopes to one day tear those factories from the walls of the mesa.
Source · Drylands History