CHAPTER I The Cactus Cross Down an old trail in the Ghost Range in northwestern Mexico, just across the Arizona border, a mounted prospector wound his way, his horse carefully picking its steps among the broken granite blocks which had tumbled upon the ancient path from the mountain wall above. A burro followed, laden heavily with pack, bed-roll, pick, frying-pan, and battered coffee-pot, yet stepping along sure-footedly as the mountain-sheep... more...