I harvest at least 30 a year on my property here.
The best trap I have found is the Cinch Trap
[URL unfurl="true"]https://cinchtraps.com/store/[/URL]
Another one that works ok in certain situations is the Gopher Hawk.
[URL unfurl="true"]https://gopherhawk.com/[/URL]
Some smart ones learn about your traps, and need to be shot....
I rarely have time in my life for that though.