Sheriff Evan Coleman of Saguaro County, Colorado is off treasure hunting with Buster Alexander, retired deputy of the Saguaro Sheriff Department. Forty years earlier, Buster and a college buddy looked for old Spanish gold in this same area of southwestern Colorado. It started when Ray, his buddy, discovered some pages of an old diary interleaved in the pages of an equally old Bible. He spoke Spanish and when he read the text, it described the escape of two Spanish miners from an Indian massacre in the mountains north of what is now Durango. Buster and his pal spent the better part of two...