Ree Heights, SD

Federal Signal STH-10 - Appeared after 2007. Switched off for some reason. Located at SD Ave & 2nd St. Photos taken 8/27/24, copyright Christopher Aylward.

GCS Type Mach 340 - Seems to have replaced some sort of single head siren that's visible on street view. Located at SD Ave & 2nd St. Photos taken 8/27/24, copyright Christopher Aylward.