Idaho Ghost Town — Jon Sharpe

VANISHED...
While helping a brassy young lady locate her lost cousin in the wilderness, Skye Fargo stumbles onto a landgrabbing scheme that will pit his every nerve against hostile Indians, ferocious wildlife, and a ruthless frontier kingpin who rules with an iron fist and has an army of mercenaries to back him up. It seems the girl was supposed to meet her cousin in a town called Grange -- a town that no one will admit knowing about.

Now, Fargo has seen more than his share of ghost towns. But he's never seen one like this. Because the town of Grange didn't dry up, and it didn't blow away -- it plain disappeared. And when the Trailsman finds out why, he's going to make a few ghosts of his own....