http://web.archive.org/web/20170228171947/http://www.sonomalafco.org/documents/Zone6-Municipal-Service-Review-Review-draft.pdf - Zone 6 Fire Service review - 70 pages - Sept 2014 - Healdsburg, Cloverdale, and Geyserville
https://drive.google.com/open?id=1izRHrZp2JzNXVH4L1n-RZgNdri0&usp=sharing - Zerg90 map of fire stations - created 4/24/2016
http://sonomachiefs.org/home/sonomafirechiefs/Operations%20Group/217A%20Fire%20REDCOM%20Load%202011.pdf - 2011 fire freqs