The Soldier's Way — Dane Coolidge

They were two men driven by desperation--and the promise of a $10,000 payday. All they had to do was burn a few bridges and take out railroad communications along the Mexican border. General Montano had promised his army would be able to hold off any Federal pursuit. But the general was wrong. And now the chase is on as two men try to outfox, outmaneuver and outrun the U.S. Cavalry forces hot on their trail."