police scanning

Isn't 470.93750 the frequency for the South Holland police department or is it 476.36250 with Dolton? South Holland is a suburb of chicago on the south side by the way.

I just started looking at info online about scanning and scanners and frequencies and all of that hub bub. I don't think i completely understand all of it, and yes if there is information for me to read, I have probably read it. I have been diligently researching for several days now but I...