Gold Mine Madness — Jon Sharpe

Skye Fargo figured he knew why Irish miners offered a pile of pay dirt to ride gun for their wagon train through the Rockies. A lot of men would do a lot of killing for its cargo: smooth whiskey and wanton women. But what Skye didn't know until too late was that he had to get through six canyons, each more treacherous than the last, and each the home of ferocious foes that kept getting more fiendish. It looked like the kind of job that might deliver the Trailsman's pay dirt by shoveling it into his grave....