As most have said, use some resources that are available with a little work on your end. Once you nail down a few units of interest, then reach out and ask for further thoughts and opinions.
Gohunt has been an invaluable resource for me over the years and can really help narrow down possible units. Same with state game websites.
Do a little bit of the groundwork and you’ll have some elk guys that’ll be willing to point you in the right direction.