https://drive.google.com/open?id=10vY5Lr14lmWMFN8wkjsWDEr3QLk&usp=sharing - ZERG90 map of fire stations - created Nov 18 2017 ish
ESD 3 and ESD 6 cover same area - per RR maybe - unknown why - (one might be for fire and one might be for EMS - 4/29/2024)