https://en.wikipedia.org/wiki/David_L._Shirk_Ranch
Today, with a modern vehicle, it is 1.5 hours from the nearest 'town' and 2 from the county seat, which has 2000 people.
I can't imagine how remote that must have been in 1900. What the seasons must have looked like going by, and how far the rest of the world must have felt.
I couldn't imagine traveling that area by foot or horse. Eastern Oregon is a fascinating and beautiful place. I wrote a bit about it on my blog.
https://object.computer/2026/07/15/summer-slows-and-trips-do...
Did you see the pictographs at Hart Mountain? That's actually one bit of Oregon that I have never had the time to explore.
Have you been to Steens? That whole area is super interesting too. Besides the natural features of the mountain itself, and Alvord desert on the other side, the history of Pete French is like something out of a western. More recently, the Riddle Brothers ranch that they have preserved is worth a stop.