Following a list of what appear to be legit frequencies for PD, Fire, and EMS, the following list of "additional" frequencies appears on the 911 center's web site:
Black Ops? Oh, my...
...R
http://www.masoncountyoes.com/911/scanner.htm
Point PD Ch. 18 463.0250
Mason SO TAC-1 467.8500
Mason SO TAC-3 468.9000
Mason SO TAC-4 468.9250
Mason SO TAC-5 463.5750
Mason SO TAC-6 463.6250
Mason SO Black Ops 469.2550
Mason SO TAC-1 467.8500
Mason SO TAC-3 468.9000
Mason SO TAC-4 468.9250
Mason SO TAC-5 463.5750
Mason SO TAC-6 463.6250
Mason SO Black Ops 469.2550
Black Ops? Oh, my...
...R
http://www.masoncountyoes.com/911/scanner.htm