All those frequencies that you see are the correct frequencies.
I will give you a complete list here now.
Eaton County
FIRE DISPATCH FREQUENCIES
460.625 Eaton Co. Fire main
453.400 Charlotte Fire dispatch
453.625 Olivet Fire dispatch
453.425 Bellevue Fire dispatch
453.450 Sunfield Fire dispatch
460.575 Delta Twp. Fire dispatch
460.150 Grand Ledge Fire dispatch
FIREGROUND/MUTUAL AID FREQUENCIES
453.550 Eaton Rapids area fire ground
460.225 Windsor Twp. fire ground
453.825 Charlotte fire ground
460.525 Delta Twp. Fire ground
453.150 Eaton Co. ADMIN/Disaster
453.750 Tri County fire mutual aid
453.2125 U-Call (UHF interoperability channel)
453.4625 U-tac 1(“” “ “ “ )
453.7125 U-tac 2(“” “ “ “ )
453.8625 U-tac 3 (“” “ “ “ )
(Note: for agencies not listed, they usually use the “talk around” frequency of their dispatch channel. Try monitoring the dispatch frequency first)