Ann Arbor, Michigan - Old Whelen Sirens Map (W.I.P)

[DominatorSirens]

These sirens were installed in 1979-1980, replacing their previous system of Federal STL-10s.

Sadly, they were all removed in 1998, and the city upgraded to Federal 2001-SRNs, which are still in use today.

https://www.google.com/maps/d/edit?mid= ... sp=sharing

NOTE: Not all locations are in this map. Most are still yet to be found.