When Nathaniel Hapgood headed west from Massachusetts in 1873 to stake a homestead claim in the Arizona Territory, he wagered it would take backbreaking labor to carve out a living from a decent-sized spread of land--nothing his Yankee know-how couldn't handle. But his stern New England upbringing hadn't prepared Nathaniel for Don Ignacio Olivera, a proud and powerful Spaniard who flew the Mexican flag over the hacienda and had his own private army to protect the vast lands his family had held for over one hundred years.