You might want to post this question in the western regional forum too. It might generate a few more hits.
I've never been to Utah, but check with the state Div. of Wildlife Resources:
Utah Division of Wildlife Resources
(801) 538-4700
www.wildlife.utah.gov
Ask if they have a biologist who does turkey work. They're usually good sources of information. Your taxes and hunting licenses pay their salary, so you'd might as well ask them.
Good luck this spring. I hope you bust a BIG ONE!