Well, in the Montgomery siren map, I saw a lot of the 2001's in the south had replaced sirens, so I decided to see if any of the other 2001's replaced any that you didn't catch, and there is! Just one example is the 2001 on Nutt Rd(what a awesome name of a road

) Several more! Like on W spring valley road/McEwen Rd(It is hard to make out, but on a older street view, there was a Tbolt) A 2001 E Whipp road/Mad River Rd, there was a Tbolt, and the last one that I will mention a Model (Something, I can't tell the difference good enough) on E whipp Rd/Overbrooke Rd. Just check that last oneout, it is kinda hidden in the trees exactly were the 2001 now is.
P.S. How do you get your My Maps to support street view?
1 last thing, I'm working on a map of just rare sirens, may I use your maps

(With credit?)
I own: One complete SiraTone, another SiraTone control module, a 1600W MC, 2 old ATI controllers, 2 round ATI horns with drivers, a ATI-DSA 4 thing, a Federal Signal FC, AR timer and Siratrol, and a small CD&F.