Welcome Bluesky: I'm from Nebraska and have hunted the Sandhills hard since 2010 (rifle only no bow hunting). Love the Sandhills, my uncle had a ranch and we spent many summers there.
I hunt only public land and have spent many hours/days at McKelvie and the Valentine Refuge. Disease hit that area hard a few years ago. Hunting the Sandhills can be difficult. These two public areas are sectioned out in pastures via barbed wire fence, and local ranchers lease the land and run cattle in the spring / summer months. Each pasture has at least one windmill and stock tank. That means hundreds of water sources for deer. And food is everywhere...meaning the deer can be anywhere.
There are many whitetails in the area, but they tend to stick in the lower areas near lakes and what little timber there is. The Muleys tend to hang up in the hills...again, they can be anywhere. It's kind of like finding a needle in a haystack.
In the six seasons I have hunted rifle season I tagged exactly one Muley buck, last year. I have a cousin who lives in Valentine and for me, deer hunting is more about the Sandhills experience than it is about tagging out. I will be going back this November, and concentrate my efforts at the Valentine Refuge.
Be prepared to walk and walk, and when you are tired and haven't seen any deer or signs, walk some more. Remember, no vehicles allowed, so you will have to pack out your game.
Here is a picture I took at Valentine National Wildlife Refuge two years ago. 300-400 yard shots are pretty common during rifle season. Killing a Sandhills deer with a bow would be quite an accomplishment.
Good luck and PM me if you have more questions. Daubs
