Have never hunted Michigan but when working there in 99 did go and call for a coworker. Got his Tom early in the AM first day. Biggest differences I have noticed between Eastern Turkey and Rio Grande Turkey
Rios are usually more vocal
The other part is habitat related Eastern birds have plenty of large trees to roost in so they will usually be much more spread out on the roost locations. If available they will roost in trees over water, have seen Rios do that though but it is less available for them.
Same calls work, turkeys sound the same to an extent, each can have their own sound but cadence is the same be they Eastern or Rio. Take several calls if you have them, sometimes gobblers will respond better to one call than another.