Earl Douglass was a teenager when he first heard about the Bone Wars--the frenzied race between paleontologists to unearth and classify dinosaur fossils--and he remained fascinated with these prehistoric giants for the rest of his life. As a geologist and botanist working at the Carnegie Museum in Pittsburgh, Pennsylvania, Douglass had a hunch that the vast untouched rock strata in northeastern Utah just may have been a haven for Jurassic fossil beds...